Home / 175,151.15-261,767.03-127,865.81

Finding the Fourth Proportional to 175,151.15, 261,767.03 and 127,865.81

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Solution

The fourth proportional to 175,151.15, 261,767.03 and 127,865.81 is: 191,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,151.15 : 261,767.03 = 127,865.81 : x
  2. Step 2: Convert to fraction form
    175,151.15/261,767.03 = 127,865.81/x
  3. Step 3: Cross multiply
    175,151.15x = 261,767.03 × 127,865.81
  4. Step 4: Simplify right side
    175,151.15x = 33,471,051,374.08
  5. Step 5: Solve for x
    x = 33,471,051,374.08/175,151.15
  6. Step 6: Final answer
    x = 191,098.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.