Home / 158,899.85-219,283.38-86,304.16

Finding the Fourth Proportional to 158,899.85, 219,283.38 and 86,304.16

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Solution

The fourth proportional to 158,899.85, 219,283.38 and 86,304.16 is: 119,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,899.85 : 219,283.38 = 86,304.16 : x
  2. Step 2: Convert to fraction form
    158,899.85/219,283.38 = 86,304.16/x
  3. Step 3: Cross multiply
    158,899.85x = 219,283.38 × 86,304.16
  4. Step 4: Simplify right side
    158,899.85x = 18,925,067,912.86
  5. Step 5: Solve for x
    x = 18,925,067,912.86/158,899.85
  6. Step 6: Final answer
    x = 119,100.60

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1.5x scale

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.