Home / 423,266.76-634,919.58-107,726.40

Finding the Fourth Proportional to 423,266.76, 634,919.58 and 107,726.40

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Solution

The fourth proportional to 423,266.76, 634,919.58 and 107,726.40 is: 161,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,266.76 : 634,919.58 = 107,726.40 : x
  2. Step 2: Convert to fraction form
    423,266.76/634,919.58 = 107,726.40/x
  3. Step 3: Cross multiply
    423,266.76x = 634,919.58 × 107,726.40
  4. Step 4: Simplify right side
    423,266.76x = 68,397,600,642.91
  5. Step 5: Solve for x
    x = 68,397,600,642.91/423,266.76
  6. Step 6: Final answer
    x = 161,594.55

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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.