Home / 109,531.52-151,152.96-59,230.40

Finding the Fourth Proportional to 109,531.52, 151,152.96 and 59,230.40

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Solution

The fourth proportional to 109,531.52, 151,152.96 and 59,230.40 is: 81,737.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,531.52 : 151,152.96 = 59,230.40 : x
  2. Step 2: Convert to fraction form
    109,531.52/151,152.96 = 59,230.40/x
  3. Step 3: Cross multiply
    109,531.52x = 151,152.96 × 59,230.40
  4. Step 4: Simplify right side
    109,531.52x = 8,952,850,281.98
  5. Step 5: Solve for x
    x = 8,952,850,281.98/109,531.52
  6. Step 6: Final answer
    x = 81,737.66

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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.