Home / 256,116.07-384,192.68-98,344.53

Finding the Fourth Proportional to 256,116.07, 384,192.68 and 98,344.53

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Solution

The fourth proportional to 256,116.07, 384,192.68 and 98,344.53 is: 147,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,116.07 : 384,192.68 = 98,344.53 : x
  2. Step 2: Convert to fraction form
    256,116.07/384,192.68 = 98,344.53/x
  3. Step 3: Cross multiply
    256,116.07x = 384,192.68 × 98,344.53
  4. Step 4: Simplify right side
    256,116.07x = 37,783,248,544.04
  5. Step 5: Solve for x
    x = 37,783,248,544.04/256,116.07
  6. Step 6: Final answer
    x = 147,523.93

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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.