Home / 129,618.30-194,427.45-36,124.05

Finding the Fourth Proportional to 129,618.30, 194,427.45 and 36,124.05

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Solution

The fourth proportional to 129,618.30, 194,427.45 and 36,124.05 is: 54,186.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,618.30 : 194,427.45 = 36,124.05 : x
  2. Step 2: Convert to fraction form
    129,618.30/194,427.45 = 36,124.05/x
  3. Step 3: Cross multiply
    129,618.30x = 194,427.45 × 36,124.05
  4. Step 4: Simplify right side
    129,618.30x = 7,023,506,925.17
  5. Step 5: Solve for x
    x = 7,023,506,925.17/129,618.30
  6. Step 6: Final answer
    x = 54,186.08

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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.