Home / 156,666.28-216,203.12-93,004.32

Finding the Fourth Proportional to 156,666.28, 216,203.12 and 93,004.32

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Solution

The fourth proportional to 156,666.28, 216,203.12 and 93,004.32 is: 128,348.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,666.28 : 216,203.12 = 93,004.32 : x
  2. Step 2: Convert to fraction form
    156,666.28/216,203.12 = 93,004.32/x
  3. Step 3: Cross multiply
    156,666.28x = 216,203.12 × 93,004.32
  4. Step 4: Simplify right side
    156,666.28x = 20,107,824,157.48
  5. Step 5: Solve for x
    x = 20,107,824,157.48/156,666.28
  6. Step 6: Final answer
    x = 128,348.13

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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.