Home / 129,140.02-193,695.45-44,885.98

Finding the Fourth Proportional to 129,140.02, 193,695.45 and 44,885.98

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Solution

The fourth proportional to 129,140.02, 193,695.45 and 44,885.98 is: 67,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,140.02 : 193,695.45 = 44,885.98 : x
  2. Step 2: Convert to fraction form
    129,140.02/193,695.45 = 44,885.98/x
  3. Step 3: Cross multiply
    129,140.02x = 193,695.45 × 44,885.98
  4. Step 4: Simplify right side
    129,140.02x = 8,694,210,094.79
  5. Step 5: Solve for x
    x = 8,694,210,094.79/129,140.02
  6. Step 6: Final answer
    x = 67,323.90

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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.