Home / 151,050.03-208,432.89-87,375.93

Finding the Fourth Proportional to 151,050.03, 208,432.89 and 87,375.93

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Solution

The fourth proportional to 151,050.03, 208,432.89 and 87,375.93 is: 120,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,050.03 : 208,432.89 = 87,375.93 : x
  2. Step 2: Convert to fraction form
    151,050.03/208,432.89 = 87,375.93/x
  3. Step 3: Cross multiply
    151,050.03x = 208,432.89 × 87,375.93
  4. Step 4: Simplify right side
    151,050.03x = 18,212,017,606.34
  5. Step 5: Solve for x
    x = 18,212,017,606.34/151,050.03
  6. Step 6: Final answer
    x = 120,569.44

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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.