Home / 158,713.26-219,024.16-87,097.78

Finding the Fourth Proportional to 158,713.26, 219,024.16 and 87,097.78

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Solution

The fourth proportional to 158,713.26, 219,024.16 and 87,097.78 is: 120,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,713.26 : 219,024.16 = 87,097.78 : x
  2. Step 2: Convert to fraction form
    158,713.26/219,024.16 = 87,097.78/x
  3. Step 3: Cross multiply
    158,713.26x = 219,024.16 × 87,097.78
  4. Step 4: Simplify right side
    158,713.26x = 19,076,518,102.36
  5. Step 5: Solve for x
    x = 19,076,518,102.36/158,713.26
  6. Step 6: Final answer
    x = 120,194.86

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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.