Home / 125,834.48-173,648.58-72,150.92

Finding the Fourth Proportional to 125,834.48, 173,648.58 and 72,150.92

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Solution

The fourth proportional to 125,834.48, 173,648.58 and 72,150.92 is: 99,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,834.48 : 173,648.58 = 72,150.92 : x
  2. Step 2: Convert to fraction form
    125,834.48/173,648.58 = 72,150.92/x
  3. Step 3: Cross multiply
    125,834.48x = 173,648.58 × 72,150.92
  4. Step 4: Simplify right side
    125,834.48x = 12,528,904,803.69
  5. Step 5: Solve for x
    x = 12,528,904,803.69/125,834.48
  6. Step 6: Final answer
    x = 99,566.55

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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.