Home / 158,052.48-218,116.22-90,068

Finding the Fourth Proportional to 158,052.48, 218,116.22 and 90,068

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Solution

The fourth proportional to 158,052.48, 218,116.22 and 90,068 is: 124,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,052.48 : 218,116.22 = 90,068 : x
  2. Step 2: Convert to fraction form
    158,052.48/218,116.22 = 90,068/x
  3. Step 3: Cross multiply
    158,052.48x = 218,116.22 × 90,068
  4. Step 4: Simplify right side
    158,052.48x = 19,645,291,702.96
  5. Step 5: Solve for x
    x = 19,645,291,702.96/158,052.48
  6. Step 6: Final answer
    x = 124,296.00

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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.