Home / 142,516.35-196,641.90-85,926.51

Finding the Fourth Proportional to 142,516.35, 196,641.90 and 85,926.51

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Solution

The fourth proportional to 142,516.35, 196,641.90 and 85,926.51 is: 118,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,516.35 : 196,641.90 = 85,926.51 : x
  2. Step 2: Convert to fraction form
    142,516.35/196,641.90 = 85,926.51/x
  3. Step 3: Cross multiply
    142,516.35x = 196,641.90 × 85,926.51
  4. Step 4: Simplify right side
    142,516.35x = 16,896,752,186.77
  5. Step 5: Solve for x
    x = 16,896,752,186.77/142,516.35
  6. Step 6: Final answer
    x = 118,560.10

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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.