Home / 212,450.32-293,144.15-127,569.20

Finding the Fourth Proportional to 212,450.32, 293,144.15 and 127,569.20

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Solution

The fourth proportional to 212,450.32, 293,144.15 and 127,569.20 is: 176,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,450.32 : 293,144.15 = 127,569.20 : x
  2. Step 2: Convert to fraction form
    212,450.32/293,144.15 = 127,569.20/x
  3. Step 3: Cross multiply
    212,450.32x = 293,144.15 × 127,569.20
  4. Step 4: Simplify right side
    212,450.32x = 37,396,165,751.96
  5. Step 5: Solve for x
    x = 37,396,165,751.96/212,450.32
  6. Step 6: Final answer
    x = 176,023.11

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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.