Home / 284,005.90-391,947.16-163,186.30

Finding the Fourth Proportional to 284,005.90, 391,947.16 and 163,186.30

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Solution

The fourth proportional to 284,005.90, 391,947.16 and 163,186.30 is: 225,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,005.90 : 391,947.16 = 163,186.30 : x
  2. Step 2: Convert to fraction form
    284,005.90/391,947.16 = 163,186.30/x
  3. Step 3: Cross multiply
    284,005.90x = 391,947.16 × 163,186.30
  4. Step 4: Simplify right side
    284,005.90x = 63,960,406,835.91
  5. Step 5: Solve for x
    x = 63,960,406,835.91/284,005.90
  6. Step 6: Final answer
    x = 225,208.02

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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.