Home / 179,036.50-247,070.64-103,589.86

Finding the Fourth Proportional to 179,036.50, 247,070.64 and 103,589.86

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Solution

The fourth proportional to 179,036.50, 247,070.64 and 103,589.86 is: 142,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,036.50 : 247,070.64 = 103,589.86 : x
  2. Step 2: Convert to fraction form
    179,036.50/247,070.64 = 103,589.86/x
  3. Step 3: Cross multiply
    179,036.50x = 247,070.64 × 103,589.86
  4. Step 4: Simplify right side
    179,036.50x = 25,594,013,007.71
  5. Step 5: Solve for x
    x = 25,594,013,007.71/179,036.50
  6. Step 6: Final answer
    x = 142,954.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.