Home / 283,623.88-391,403.54-156,304.04

Finding the Fourth Proportional to 283,623.88, 391,403.54 and 156,304.04

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Solution

The fourth proportional to 283,623.88, 391,403.54 and 156,304.04 is: 215,701.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,623.88 : 391,403.54 = 156,304.04 : x
  2. Step 2: Convert to fraction form
    283,623.88/391,403.54 = 156,304.04/x
  3. Step 3: Cross multiply
    283,623.88x = 391,403.54 × 156,304.04
  4. Step 4: Simplify right side
    283,623.88x = 61,177,954,572.30
  5. Step 5: Solve for x
    x = 61,177,954,572.30/283,623.88
  6. Step 6: Final answer
    x = 215,701.00

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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.