Home / 124,036.63-186,148.56-90,842.75

Finding the Fourth Proportional to 124,036.63, 186,148.56 and 90,842.75

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Solution

The fourth proportional to 124,036.63, 186,148.56 and 90,842.75 is: 136,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,036.63 : 186,148.56 = 90,842.75 : x
  2. Step 2: Convert to fraction form
    124,036.63/186,148.56 = 90,842.75/x
  3. Step 3: Cross multiply
    124,036.63x = 186,148.56 × 90,842.75
  4. Step 4: Simplify right side
    124,036.63x = 16,910,247,098.94
  5. Step 5: Solve for x
    x = 16,910,247,098.94/124,036.63
  6. Step 6: Final answer
    x = 136,332.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.