Home / 283,439.77-391,132.11-176,007.49

Finding the Fourth Proportional to 283,439.77, 391,132.11 and 176,007.49

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Solution

The fourth proportional to 283,439.77, 391,132.11 and 176,007.49 is: 242,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,439.77 : 391,132.11 = 176,007.49 : x
  2. Step 2: Convert to fraction form
    283,439.77/391,132.11 = 176,007.49/x
  3. Step 3: Cross multiply
    283,439.77x = 391,132.11 × 176,007.49
  4. Step 4: Simplify right side
    283,439.77x = 68,842,180,939.50
  5. Step 5: Solve for x
    x = 68,842,180,939.50/283,439.77
  6. Step 6: Final answer
    x = 242,881.16

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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.