Home / 403,229.18-604,943.40-166,639.52

Finding the Fourth Proportional to 403,229.18, 604,943.40 and 166,639.52

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Solution

The fourth proportional to 403,229.18, 604,943.40 and 166,639.52 is: 250,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,229.18 : 604,943.40 = 166,639.52 : x
  2. Step 2: Convert to fraction form
    403,229.18/604,943.40 = 166,639.52/x
  3. Step 3: Cross multiply
    403,229.18x = 604,943.40 × 166,639.52
  4. Step 4: Simplify right side
    403,229.18x = 100,807,477,803.17
  5. Step 5: Solve for x
    x = 100,807,477,803.17/403,229.18
  6. Step 6: Final answer
    x = 250,000.45

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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.