Home / 205,449.16-283,607.16-124,902.40

Finding the Fourth Proportional to 205,449.16, 283,607.16 and 124,902.40

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Solution

The fourth proportional to 205,449.16, 283,607.16 and 124,902.40 is: 172,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,449.16 : 283,607.16 = 124,902.40 : x
  2. Step 2: Convert to fraction form
    205,449.16/283,607.16 = 124,902.40/x
  3. Step 3: Cross multiply
    205,449.16x = 283,607.16 × 124,902.40
  4. Step 4: Simplify right side
    205,449.16x = 35,423,214,316.67
  5. Step 5: Solve for x
    x = 35,423,214,316.67/205,449.16
  6. Step 6: Final answer
    x = 172,418.40

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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.