Home / 410,151.04-615,368.10-170,393.72

Finding the Fourth Proportional to 410,151.04, 615,368.10 and 170,393.72

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Solution

The fourth proportional to 410,151.04, 615,368.10 and 170,393.72 is: 255,649.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,151.04 : 615,368.10 = 170,393.72 : x
  2. Step 2: Convert to fraction form
    410,151.04/615,368.10 = 170,393.72/x
  3. Step 3: Cross multiply
    410,151.04x = 615,368.10 × 170,393.72
  4. Step 4: Simplify right side
    410,151.04x = 104,854,857,290.47
  5. Step 5: Solve for x
    x = 104,854,857,290.47/410,151.04
  6. Step 6: Final answer
    x = 255,649.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.