Home / 229,231.08-316,340.10-127,258.02

Finding the Fourth Proportional to 229,231.08, 316,340.10 and 127,258.02

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Solution

The fourth proportional to 229,231.08, 316,340.10 and 127,258.02 is: 175,616.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,231.08 : 316,340.10 = 127,258.02 : x
  2. Step 2: Convert to fraction form
    229,231.08/316,340.10 = 127,258.02/x
  3. Step 3: Cross multiply
    229,231.08x = 316,340.10 × 127,258.02
  4. Step 4: Simplify right side
    229,231.08x = 40,256,814,772.60
  5. Step 5: Solve for x
    x = 40,256,814,772.60/229,231.08
  6. Step 6: Final answer
    x = 175,616.74

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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.