Home / 156,539.25-216,024.17-89,484.21

Finding the Fourth Proportional to 156,539.25, 216,024.17 and 89,484.21

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Solution

The fourth proportional to 156,539.25, 216,024.17 and 89,484.21 is: 123,488.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,539.25 : 216,024.17 = 89,484.21 : x
  2. Step 2: Convert to fraction form
    156,539.25/216,024.17 = 89,484.21/x
  3. Step 3: Cross multiply
    156,539.25x = 216,024.17 × 89,484.21
  4. Step 4: Simplify right side
    156,539.25x = 19,330,751,745.93
  5. Step 5: Solve for x
    x = 19,330,751,745.93/156,539.25
  6. Step 6: Final answer
    x = 123,488.21

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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.