Home / 443,833.60-665,787.04-144,307.36

Finding the Fourth Proportional to 443,833.60, 665,787.04 and 144,307.36

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Solution

The fourth proportional to 443,833.60, 665,787.04 and 144,307.36 is: 216,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,833.60 : 665,787.04 = 144,307.36 : x
  2. Step 2: Convert to fraction form
    443,833.60/665,787.04 = 144,307.36/x
  3. Step 3: Cross multiply
    443,833.60x = 665,787.04 × 144,307.36
  4. Step 4: Simplify right side
    443,833.60x = 96,077,970,064.61
  5. Step 5: Solve for x
    x = 96,077,970,064.61/443,833.60
  6. Step 6: Final answer
    x = 216,472.95

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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.