Home / 267,547.20-401,320.80-117,628.35

Finding the Fourth Proportional to 267,547.20, 401,320.80 and 117,628.35

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Solution

The fourth proportional to 267,547.20, 401,320.80 and 117,628.35 is: 176,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,547.20 : 401,320.80 = 117,628.35 : x
  2. Step 2: Convert to fraction form
    267,547.20/401,320.80 = 117,628.35/x
  3. Step 3: Cross multiply
    267,547.20x = 401,320.80 × 117,628.35
  4. Step 4: Simplify right side
    267,547.20x = 47,206,703,524.68
  5. Step 5: Solve for x
    x = 47,206,703,524.68/267,547.20
  6. Step 6: Final answer
    x = 176,442.53

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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.