Home / 442,025.40-663,038.10-109,601.40

Finding the Fourth Proportional to 442,025.40, 663,038.10 and 109,601.40

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Solution

The fourth proportional to 442,025.40, 663,038.10 and 109,601.40 is: 164,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,025.40 : 663,038.10 = 109,601.40 : x
  2. Step 2: Convert to fraction form
    442,025.40/663,038.10 = 109,601.40/x
  3. Step 3: Cross multiply
    442,025.40x = 663,038.10 × 109,601.40
  4. Step 4: Simplify right side
    442,025.40x = 72,669,904,013.34
  5. Step 5: Solve for x
    x = 72,669,904,013.34/442,025.40
  6. Step 6: Final answer
    x = 164,402.10

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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.