Home / 256,115.07-384,191.18-98,343.53

Finding the Fourth Proportional to 256,115.07, 384,191.18 and 98,343.53

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Solution

The fourth proportional to 256,115.07, 384,191.18 and 98,343.53 is: 147,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,115.07 : 384,191.18 = 98,343.53 : x
  2. Step 2: Convert to fraction form
    256,115.07/384,191.18 = 98,343.53/x
  3. Step 3: Cross multiply
    256,115.07x = 384,191.18 × 98,343.53
  4. Step 4: Simplify right side
    256,115.07x = 37,782,714,423.39
  5. Step 5: Solve for x
    x = 37,782,714,423.39/256,115.07
  6. Step 6: Final answer
    x = 147,522.42

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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.