Home / 256,589.49-384,900.07-98,818.10

Finding the Fourth Proportional to 256,589.49, 384,900.07 and 98,818.10

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Solution

The fourth proportional to 256,589.49, 384,900.07 and 98,818.10 is: 148,233.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,589.49 : 384,900.07 = 98,818.10 : x
  2. Step 2: Convert to fraction form
    256,589.49/384,900.07 = 98,818.10/x
  3. Step 3: Cross multiply
    256,589.49x = 384,900.07 × 98,818.10
  4. Step 4: Simplify right side
    256,589.49x = 38,035,093,607.27
  5. Step 5: Solve for x
    x = 38,035,093,607.27/256,589.49
  6. Step 6: Final answer
    x = 148,233.25

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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.