Home / 124,223.49-186,094.67-74,342.88

Finding the Fourth Proportional to 124,223.49, 186,094.67 and 74,342.88

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Solution

The fourth proportional to 124,223.49, 186,094.67 and 74,342.88 is: 111,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,223.49 : 186,094.67 = 74,342.88 : x
  2. Step 2: Convert to fraction form
    124,223.49/186,094.67 = 74,342.88/x
  3. Step 3: Cross multiply
    124,223.49x = 186,094.67 × 74,342.88
  4. Step 4: Simplify right side
    124,223.49x = 13,834,813,348.74
  5. Step 5: Solve for x
    x = 13,834,813,348.74/124,223.49
  6. Step 6: Final answer
    x = 111,370.35

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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.