Home / 156,635.66-216,154.86-88,665.50

Finding the Fourth Proportional to 156,635.66, 216,154.86 and 88,665.50

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Solution

The fourth proportional to 156,635.66, 216,154.86 and 88,665.50 is: 122,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,635.66 : 216,154.86 = 88,665.50 : x
  2. Step 2: Convert to fraction form
    156,635.66/216,154.86 = 88,665.50/x
  3. Step 3: Cross multiply
    156,635.66x = 216,154.86 × 88,665.50
  4. Step 4: Simplify right side
    156,635.66x = 19,165,478,739.33
  5. Step 5: Solve for x
    x = 19,165,478,739.33/156,635.66
  6. Step 6: Final answer
    x = 122,357.06

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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.