Home / 141,740.15-212,617.98-57,487.79

Finding the Fourth Proportional to 141,740.15, 212,617.98 and 57,487.79

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Solution

The fourth proportional to 141,740.15, 212,617.98 and 57,487.79 is: 86,234.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,740.15 : 212,617.98 = 57,487.79 : x
  2. Step 2: Convert to fraction form
    141,740.15/212,617.98 = 57,487.79/x
  3. Step 3: Cross multiply
    141,740.15x = 212,617.98 × 57,487.79
  4. Step 4: Simplify right side
    141,740.15x = 12,222,938,316.01
  5. Step 5: Solve for x
    x = 12,222,938,316.01/141,740.15
  6. Step 6: Final answer
    x = 86,234.84

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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.