Home / 189,602.32-284,402.52-49,360.72

Finding the Fourth Proportional to 189,602.32, 284,402.52 and 49,360.72

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Solution

The fourth proportional to 189,602.32, 284,402.52 and 49,360.72 is: 74,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,602.32 : 284,402.52 = 49,360.72 : x
  2. Step 2: Convert to fraction form
    189,602.32/284,402.52 = 49,360.72/x
  3. Step 3: Cross multiply
    189,602.32x = 284,402.52 × 49,360.72
  4. Step 4: Simplify right side
    189,602.32x = 14,038,313,157.01
  5. Step 5: Solve for x
    x = 14,038,313,157.01/189,602.32
  6. Step 6: Final answer
    x = 74,040.83

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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.