Home / 156,711.32-216,265.38-85,094.36

Finding the Fourth Proportional to 156,711.32, 216,265.38 and 85,094.36

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Solution

The fourth proportional to 156,711.32, 216,265.38 and 85,094.36 is: 117,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,711.32 : 216,265.38 = 85,094.36 : x
  2. Step 2: Convert to fraction form
    156,711.32/216,265.38 = 85,094.36/x
  3. Step 3: Cross multiply
    156,711.32x = 216,265.38 × 85,094.36
  4. Step 4: Simplify right side
    156,711.32x = 18,402,964,101.26
  5. Step 5: Solve for x
    x = 18,402,964,101.26/156,711.32
  6. Step 6: Final answer
    x = 117,432.26

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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.