Home / 296,585.32-409,171.62-189,126.76

Finding the Fourth Proportional to 296,585.32, 409,171.62 and 189,126.76

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Solution

The fourth proportional to 296,585.32, 409,171.62 and 189,126.76 is: 260,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,585.32 : 409,171.62 = 189,126.76 : x
  2. Step 2: Convert to fraction form
    296,585.32/409,171.62 = 189,126.76/x
  3. Step 3: Cross multiply
    296,585.32x = 409,171.62 × 189,126.76
  4. Step 4: Simplify right side
    296,585.32x = 77,385,302,774.55
  5. Step 5: Solve for x
    x = 77,385,302,774.55/296,585.32
  6. Step 6: Final answer
    x = 260,920.88

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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.