Home / 229,170.20-316,313.01-156,602.47

Finding the Fourth Proportional to 229,170.20, 316,313.01 and 156,602.47

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Solution

The fourth proportional to 229,170.20, 316,313.01 and 156,602.47 is: 216,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,170.20 : 316,313.01 = 156,602.47 : x
  2. Step 2: Convert to fraction form
    229,170.20/316,313.01 = 156,602.47/x
  3. Step 3: Cross multiply
    229,170.20x = 316,313.01 × 156,602.47
  4. Step 4: Simplify right side
    229,170.20x = 49,535,398,659.13
  5. Step 5: Solve for x
    x = 49,535,398,659.13/229,170.20
  6. Step 6: Final answer
    x = 216,151.13

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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.