Home / 123,541.40-185,312.10-121,573.10

Finding the Fourth Proportional to 123,541.40, 185,312.10 and 121,573.10

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Solution

The fourth proportional to 123,541.40, 185,312.10 and 121,573.10 is: 182,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,541.40 : 185,312.10 = 121,573.10 : x
  2. Step 2: Convert to fraction form
    123,541.40/185,312.10 = 121,573.10/x
  3. Step 3: Cross multiply
    123,541.40x = 185,312.10 × 121,573.10
  4. Step 4: Simplify right side
    123,541.40x = 22,528,966,464.51
  5. Step 5: Solve for x
    x = 22,528,966,464.51/123,541.40
  6. Step 6: Final answer
    x = 182,359.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.