Home / 283,888.52-391,766.51-154,827.20

Finding the Fourth Proportional to 283,888.52, 391,766.51 and 154,827.20

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Solution

The fourth proportional to 283,888.52, 391,766.51 and 154,827.20 is: 213,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,888.52 : 391,766.51 = 154,827.20 : x
  2. Step 2: Convert to fraction form
    283,888.52/391,766.51 = 154,827.20/x
  3. Step 3: Cross multiply
    283,888.52x = 391,766.51 × 154,827.20
  4. Step 4: Simplify right side
    283,888.52x = 60,656,109,064.10
  5. Step 5: Solve for x
    x = 60,656,109,064.10/283,888.52
  6. Step 6: Final answer
    x = 213,661.72

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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.