Home / 161,859.17-223,444.89-125,480.25

Finding the Fourth Proportional to 161,859.17, 223,444.89 and 125,480.25

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Solution

The fourth proportional to 161,859.17, 223,444.89 and 125,480.25 is: 173,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,859.17 : 223,444.89 = 125,480.25 : x
  2. Step 2: Convert to fraction form
    161,859.17/223,444.89 = 125,480.25/x
  3. Step 3: Cross multiply
    161,859.17x = 223,444.89 × 125,480.25
  4. Step 4: Simplify right side
    161,859.17x = 28,037,920,658.42
  5. Step 5: Solve for x
    x = 28,037,920,658.42/161,859.17
  6. Step 6: Final answer
    x = 173,224.18

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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.