Home / 141,766.72-212,688.80-41,931.84

Finding the Fourth Proportional to 141,766.72, 212,688.80 and 41,931.84

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Solution

The fourth proportional to 141,766.72, 212,688.80 and 41,931.84 is: 62,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,766.72 : 212,688.80 = 41,931.84 : x
  2. Step 2: Convert to fraction form
    141,766.72/212,688.80 = 41,931.84/x
  3. Step 3: Cross multiply
    141,766.72x = 212,688.80 × 41,931.84
  4. Step 4: Simplify right side
    141,766.72x = 8,918,432,731.39
  5. Step 5: Solve for x
    x = 8,918,432,731.39/141,766.72
  6. Step 6: Final answer
    x = 62,909.21

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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.