Home / 119,799.61-179,680.36-39,830.92

Finding the Fourth Proportional to 119,799.61, 179,680.36 and 39,830.92

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Solution

The fourth proportional to 119,799.61, 179,680.36 and 39,830.92 is: 59,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,799.61 : 179,680.36 = 39,830.92 : x
  2. Step 2: Convert to fraction form
    119,799.61/179,680.36 = 39,830.92/x
  3. Step 3: Cross multiply
    119,799.61x = 179,680.36 × 39,830.92
  4. Step 4: Simplify right side
    119,799.61x = 7,156,834,044.73
  5. Step 5: Solve for x
    x = 7,156,834,044.73/119,799.61
  6. Step 6: Final answer
    x = 59,740.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.