Home / 151,098.95-208,531.85-86,576.75

Finding the Fourth Proportional to 151,098.95, 208,531.85 and 86,576.75

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Solution

The fourth proportional to 151,098.95, 208,531.85 and 86,576.75 is: 119,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,098.95 : 208,531.85 = 86,576.75 : x
  2. Step 2: Convert to fraction form
    151,098.95/208,531.85 = 86,576.75/x
  3. Step 3: Cross multiply
    151,098.95x = 208,531.85 × 86,576.75
  4. Step 4: Simplify right side
    151,098.95x = 18,054,009,637.93
  5. Step 5: Solve for x
    x = 18,054,009,637.93/151,098.95
  6. Step 6: Final answer
    x = 119,484.68

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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.