Home / 98,974.02-148,540.80-56,305.62

Finding the Fourth Proportional to 98,974.02, 148,540.80 and 56,305.62

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Solution

The fourth proportional to 98,974.02, 148,540.80 and 56,305.62 is: 84,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,974.02 : 148,540.80 = 56,305.62 : x
  2. Step 2: Convert to fraction form
    98,974.02/148,540.80 = 56,305.62/x
  3. Step 3: Cross multiply
    98,974.02x = 148,540.80 × 56,305.62
  4. Step 4: Simplify right side
    98,974.02x = 8,363,681,839.30
  5. Step 5: Solve for x
    x = 8,363,681,839.30/98,974.02
  6. Step 6: Final answer
    x = 84,503.81

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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.