Home / 124,434.40-186,661.38-61,288.48

Finding the Fourth Proportional to 124,434.40, 186,661.38 and 61,288.48

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Solution

The fourth proportional to 124,434.40, 186,661.38 and 61,288.48 is: 91,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,434.40 : 186,661.38 = 61,288.48 : x
  2. Step 2: Convert to fraction form
    124,434.40/186,661.38 = 61,288.48/x
  3. Step 3: Cross multiply
    124,434.40x = 186,661.38 × 61,288.48
  4. Step 4: Simplify right side
    124,434.40x = 11,440,192,254.90
  5. Step 5: Solve for x
    x = 11,440,192,254.90/124,434.40
  6. Step 6: Final answer
    x = 91,937.54

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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.