Home / 177,666.13-245,190.95-100,160.88

Finding the Fourth Proportional to 177,666.13, 245,190.95 and 100,160.88

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Solution

The fourth proportional to 177,666.13, 245,190.95 and 100,160.88 is: 138,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,666.13 : 245,190.95 = 100,160.88 : x
  2. Step 2: Convert to fraction form
    177,666.13/245,190.95 = 100,160.88/x
  3. Step 3: Cross multiply
    177,666.13x = 245,190.95 × 100,160.88
  4. Step 4: Simplify right side
    177,666.13x = 24,558,541,320.04
  5. Step 5: Solve for x
    x = 24,558,541,320.04/177,666.13
  6. Step 6: Final answer
    x = 138,228.61

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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.