Home / 141,848.93-195,737.10-81,405.11

Finding the Fourth Proportional to 141,848.93, 195,737.10 and 81,405.11

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Solution

The fourth proportional to 141,848.93, 195,737.10 and 81,405.11 is: 112,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,848.93 : 195,737.10 = 81,405.11 : x
  2. Step 2: Convert to fraction form
    141,848.93/195,737.10 = 81,405.11/x
  3. Step 3: Cross multiply
    141,848.93x = 195,737.10 × 81,405.11
  4. Step 4: Simplify right side
    141,848.93x = 15,934,000,156.58
  5. Step 5: Solve for x
    x = 15,934,000,156.58/141,848.93
  6. Step 6: Final answer
    x = 112,330.77

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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.