Home / 403,175.40-604,503.90-166,612.20

Finding the Fourth Proportional to 403,175.40, 604,503.90 and 166,612.20

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Solution

The fourth proportional to 403,175.40, 604,503.90 and 166,612.20 is: 249,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,175.40 : 604,503.90 = 166,612.20 : x
  2. Step 2: Convert to fraction form
    403,175.40/604,503.90 = 166,612.20/x
  3. Step 3: Cross multiply
    403,175.40x = 604,503.90 × 166,612.20
  4. Step 4: Simplify right side
    403,175.40x = 100,717,724,687.58
  5. Step 5: Solve for x
    x = 100,717,724,687.58/403,175.40
  6. Step 6: Final answer
    x = 249,811.19

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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.