Home / 141,840.10-212,760.15-133,092.10

Finding the Fourth Proportional to 141,840.10, 212,760.15 and 133,092.10

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Solution

The fourth proportional to 141,840.10, 212,760.15 and 133,092.10 is: 199,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,840.10 : 212,760.15 = 133,092.10 : x
  2. Step 2: Convert to fraction form
    141,840.10/212,760.15 = 133,092.10/x
  3. Step 3: Cross multiply
    141,840.10x = 212,760.15 × 133,092.10
  4. Step 4: Simplify right side
    141,840.10x = 28,316,695,159.82
  5. Step 5: Solve for x
    x = 28,316,695,159.82/141,840.10
  6. Step 6: Final answer
    x = 199,638.15

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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.