Home / 123,340.83-170,210.48-66,752.07

Finding the Fourth Proportional to 123,340.83, 170,210.48 and 66,752.07

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Solution

The fourth proportional to 123,340.83, 170,210.48 and 66,752.07 is: 92,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,340.83 : 170,210.48 = 66,752.07 : x
  2. Step 2: Convert to fraction form
    123,340.83/170,210.48 = 66,752.07/x
  3. Step 3: Cross multiply
    123,340.83x = 170,210.48 × 66,752.07
  4. Step 4: Simplify right side
    123,340.83x = 11,361,901,541.93
  5. Step 5: Solve for x
    x = 11,361,901,541.93/123,340.83
  6. Step 6: Final answer
    x = 92,117.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.