Home / 189,928.64-284,456.76-94,867.04

Finding the Fourth Proportional to 189,928.64, 284,456.76 and 94,867.04

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Solution

The fourth proportional to 189,928.64, 284,456.76 and 94,867.04 is: 142,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,928.64 : 284,456.76 = 94,867.04 : x
  2. Step 2: Convert to fraction form
    189,928.64/284,456.76 = 94,867.04/x
  3. Step 3: Cross multiply
    189,928.64x = 284,456.76 × 94,867.04
  4. Step 4: Simplify right side
    189,928.64x = 26,985,570,829.19
  5. Step 5: Solve for x
    x = 26,985,570,829.19/189,928.64
  6. Step 6: Final answer
    x = 142,082.68

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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.