Home / 403,565.40-605,088.90-167,002.20

Finding the Fourth Proportional to 403,565.40, 605,088.90 and 167,002.20

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Solution

The fourth proportional to 403,565.40, 605,088.90 and 167,002.20 is: 250,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,565.40 : 605,088.90 = 167,002.20 : x
  2. Step 2: Convert to fraction form
    403,565.40/605,088.90 = 167,002.20/x
  3. Step 3: Cross multiply
    403,565.40x = 605,088.90 × 167,002.20
  4. Step 4: Simplify right side
    403,565.40x = 101,051,177,495.58
  5. Step 5: Solve for x
    x = 101,051,177,495.58/403,565.40
  6. Step 6: Final answer
    x = 250,396.04

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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.