Home / 256,112.10-384,168.15-98,344.35

Finding the Fourth Proportional to 256,112.10, 384,168.15 and 98,344.35

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Solution

The fourth proportional to 256,112.10, 384,168.15 and 98,344.35 is: 147,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,112.10 : 384,168.15 = 98,344.35 : x
  2. Step 2: Convert to fraction form
    256,112.10/384,168.15 = 98,344.35/x
  3. Step 3: Cross multiply
    256,112.10x = 384,168.15 × 98,344.35
  4. Step 4: Simplify right side
    256,112.10x = 37,780,767,002.45
  5. Step 5: Solve for x
    x = 37,780,767,002.45/256,112.10
  6. Step 6: Final answer
    x = 147,516.53

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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.