Home / 168,638.04-252,931.50-63,432.36

Finding the Fourth Proportional to 168,638.04, 252,931.50 and 63,432.36

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Solution

The fourth proportional to 168,638.04, 252,931.50 and 63,432.36 is: 95,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,638.04 : 252,931.50 = 63,432.36 : x
  2. Step 2: Convert to fraction form
    168,638.04/252,931.50 = 63,432.36/x
  3. Step 3: Cross multiply
    168,638.04x = 252,931.50 × 63,432.36
  4. Step 4: Simplify right side
    168,638.04x = 16,044,041,963.34
  5. Step 5: Solve for x
    x = 16,044,041,963.34/168,638.04
  6. Step 6: Final answer
    x = 95,138.93

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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.