Home / 199,711.50-275,604.08-109,070.14

Finding the Fourth Proportional to 199,711.50, 275,604.08 and 109,070.14

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Solution

The fourth proportional to 199,711.50, 275,604.08 and 109,070.14 is: 150,518.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,711.50 : 275,604.08 = 109,070.14 : x
  2. Step 2: Convert to fraction form
    199,711.50/275,604.08 = 109,070.14/x
  3. Step 3: Cross multiply
    199,711.50x = 275,604.08 × 109,070.14
  4. Step 4: Simplify right side
    199,711.50x = 30,060,175,590.17
  5. Step 5: Solve for x
    x = 30,060,175,590.17/199,711.50
  6. Step 6: Final answer
    x = 150,518.00

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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.