Home / 141,153.02-194,726.19-90,140.20

Finding the Fourth Proportional to 141,153.02, 194,726.19 and 90,140.20

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Solution

The fourth proportional to 141,153.02, 194,726.19 and 90,140.20 is: 124,351.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,153.02 : 194,726.19 = 90,140.20 : x
  2. Step 2: Convert to fraction form
    141,153.02/194,726.19 = 90,140.20/x
  3. Step 3: Cross multiply
    141,153.02x = 194,726.19 × 90,140.20
  4. Step 4: Simplify right side
    141,153.02x = 17,552,656,738.21
  5. Step 5: Solve for x
    x = 17,552,656,738.21/141,153.02
  6. Step 6: Final answer
    x = 124,351.97

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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.