Home / 125,833.73-173,658.02-72,122.22

Finding the Fourth Proportional to 125,833.73, 173,658.02 and 72,122.22

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Solution

The fourth proportional to 125,833.73, 173,658.02 and 72,122.22 is: 99,532.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,833.73 : 173,658.02 = 72,122.22 : x
  2. Step 2: Convert to fraction form
    125,833.73/173,658.02 = 72,122.22/x
  3. Step 3: Cross multiply
    125,833.73x = 173,658.02 × 72,122.22
  4. Step 4: Simplify right side
    125,833.73x = 12,524,601,054.91
  5. Step 5: Solve for x
    x = 12,524,601,054.91/125,833.73
  6. Step 6: Final answer
    x = 99,532.94

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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.