Home / 199,333.40-275,011.10-127,752.90

Finding the Fourth Proportional to 199,333.40, 275,011.10 and 127,752.90

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Solution

The fourth proportional to 199,333.40, 275,011.10 and 127,752.90 is: 176,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,333.40 : 275,011.10 = 127,752.90 : x
  2. Step 2: Convert to fraction form
    199,333.40/275,011.10 = 127,752.90/x
  3. Step 3: Cross multiply
    199,333.40x = 275,011.10 × 127,752.90
  4. Step 4: Simplify right side
    199,333.40x = 35,133,465,557.19
  5. Step 5: Solve for x
    x = 35,133,465,557.19/199,333.40
  6. Step 6: Final answer
    x = 176,254.78

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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.