Home / 151,126.54-208,588.50-118,355.96

Finding the Fourth Proportional to 151,126.54, 208,588.50 and 118,355.96

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Solution

The fourth proportional to 151,126.54, 208,588.50 and 118,355.96 is: 163,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,126.54 : 208,588.50 = 118,355.96 : x
  2. Step 2: Convert to fraction form
    151,126.54/208,588.50 = 118,355.96/x
  3. Step 3: Cross multiply
    151,126.54x = 208,588.50 × 118,355.96
  4. Step 4: Simplify right side
    151,126.54x = 24,687,692,162.46
  5. Step 5: Solve for x
    x = 24,687,692,162.46/151,126.54
  6. Step 6: Final answer
    x = 163,357.75

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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.