Home / 176,254.72-243,230.88-100,803.04

Finding the Fourth Proportional to 176,254.72, 243,230.88 and 100,803.04

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Solution

The fourth proportional to 176,254.72, 243,230.88 and 100,803.04 is: 139,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,254.72 : 243,230.88 = 100,803.04 : x
  2. Step 2: Convert to fraction form
    176,254.72/243,230.88 = 100,803.04/x
  3. Step 3: Cross multiply
    176,254.72x = 243,230.88 × 100,803.04
  4. Step 4: Simplify right side
    176,254.72x = 24,518,412,125.88
  5. Step 5: Solve for x
    x = 24,518,412,125.88/176,254.72
  6. Step 6: Final answer
    x = 139,107.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.