Home / 125,545.06-173,262.87-71,106.91

Finding the Fourth Proportional to 125,545.06, 173,262.87 and 71,106.91

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Solution

The fourth proportional to 125,545.06, 173,262.87 and 71,106.91 is: 98,133.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,545.06 : 173,262.87 = 71,106.91 : x
  2. Step 2: Convert to fraction form
    125,545.06/173,262.87 = 71,106.91/x
  3. Step 3: Cross multiply
    125,545.06x = 173,262.87 × 71,106.91
  4. Step 4: Simplify right side
    125,545.06x = 12,320,187,303.43
  5. Step 5: Solve for x
    x = 12,320,187,303.43/125,545.06
  6. Step 6: Final answer
    x = 98,133.59

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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.