Home / 125,545.50-173,254.02-68,958.12

Finding the Fourth Proportional to 125,545.50, 173,254.02 and 68,958.12

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Solution

The fourth proportional to 125,545.50, 173,254.02 and 68,958.12 is: 95,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,545.50 : 173,254.02 = 68,958.12 : x
  2. Step 2: Convert to fraction form
    125,545.50/173,254.02 = 68,958.12/x
  3. Step 3: Cross multiply
    125,545.50x = 173,254.02 × 68,958.12
  4. Step 4: Simplify right side
    125,545.50x = 11,947,271,501.64
  5. Step 5: Solve for x
    x = 11,947,271,501.64/125,545.50
  6. Step 6: Final answer
    x = 95,162.88

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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.