Home / 189,414.32-284,287.59-77,094.18

Finding the Fourth Proportional to 189,414.32, 284,287.59 and 77,094.18

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Solution

The fourth proportional to 189,414.32, 284,287.59 and 77,094.18 is: 115,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,414.32 : 284,287.59 = 77,094.18 : x
  2. Step 2: Convert to fraction form
    189,414.32/284,287.59 = 77,094.18/x
  3. Step 3: Cross multiply
    189,414.32x = 284,287.59 × 77,094.18
  4. Step 4: Simplify right side
    189,414.32x = 21,916,918,635.23
  5. Step 5: Solve for x
    x = 21,916,918,635.23/189,414.32
  6. Step 6: Final answer
    x = 115,708.88

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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.