Home / 141,231.61-194,898.95-76,700.40

Finding the Fourth Proportional to 141,231.61, 194,898.95 and 76,700.40

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Solution

The fourth proportional to 141,231.61, 194,898.95 and 76,700.40 is: 105,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,231.61 : 194,898.95 = 76,700.40 : x
  2. Step 2: Convert to fraction form
    141,231.61/194,898.95 = 76,700.40/x
  3. Step 3: Cross multiply
    141,231.61x = 194,898.95 × 76,700.40
  4. Step 4: Simplify right side
    141,231.61x = 14,948,826,641.84
  5. Step 5: Solve for x
    x = 14,948,826,641.84/141,231.61
  6. Step 6: Final answer
    x = 105,846.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.