Home / 156,778.29-216,358.07-85,162.41

Finding the Fourth Proportional to 156,778.29, 216,358.07 and 85,162.41

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Solution

The fourth proportional to 156,778.29, 216,358.07 and 85,162.41 is: 117,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,778.29 : 216,358.07 = 85,162.41 : x
  2. Step 2: Convert to fraction form
    156,778.29/216,358.07 = 85,162.41/x
  3. Step 3: Cross multiply
    156,778.29x = 216,358.07 × 85,162.41
  4. Step 4: Simplify right side
    156,778.29x = 18,425,574,238.34
  5. Step 5: Solve for x
    x = 18,425,574,238.34/156,778.29
  6. Step 6: Final answer
    x = 117,526.31

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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.