Home / 129,101.04-193,695.30-65,947.77

Finding the Fourth Proportional to 129,101.04, 193,695.30 and 65,947.77

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Solution

The fourth proportional to 129,101.04, 193,695.30 and 65,947.77 is: 98,944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,101.04 : 193,695.30 = 65,947.77 : x
  2. Step 2: Convert to fraction form
    129,101.04/193,695.30 = 65,947.77/x
  3. Step 3: Cross multiply
    129,101.04x = 193,695.30 × 65,947.77
  4. Step 4: Simplify right side
    129,101.04x = 12,773,773,094.48
  5. Step 5: Solve for x
    x = 12,773,773,094.48/129,101.04
  6. Step 6: Final answer
    x = 98,944.00

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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.