Home / 218,829.90-328,244.85-187,337.10

Finding the Fourth Proportional to 218,829.90, 328,244.85 and 187,337.10

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Solution

The fourth proportional to 218,829.90, 328,244.85 and 187,337.10 is: 281,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,829.90 : 328,244.85 = 187,337.10 : x
  2. Step 2: Convert to fraction form
    218,829.90/328,244.85 = 187,337.10/x
  3. Step 3: Cross multiply
    218,829.90x = 328,244.85 × 187,337.10
  4. Step 4: Simplify right side
    218,829.90x = 61,492,438,288.94
  5. Step 5: Solve for x
    x = 61,492,438,288.94/218,829.90
  6. Step 6: Final answer
    x = 281,005.65

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1.5x scale

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.