Home / 129,641.29-194,461.88-40,901.74

Finding the Fourth Proportional to 129,641.29, 194,461.88 and 40,901.74

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Solution

The fourth proportional to 129,641.29, 194,461.88 and 40,901.74 is: 61,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,641.29 : 194,461.88 = 40,901.74 : x
  2. Step 2: Convert to fraction form
    129,641.29/194,461.88 = 40,901.74/x
  3. Step 3: Cross multiply
    129,641.29x = 194,461.88 × 40,901.74
  4. Step 4: Simplify right side
    129,641.29x = 7,953,829,255.67
  5. Step 5: Solve for x
    x = 7,953,829,255.67/129,641.29
  6. Step 6: Final answer
    x = 61,352.59

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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.