Home / 179,444.61-247,639.17-102,977.70

Finding the Fourth Proportional to 179,444.61, 247,639.17 and 102,977.70

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Solution

The fourth proportional to 179,444.61, 247,639.17 and 102,977.70 is: 142,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,444.61 : 247,639.17 = 102,977.70 : x
  2. Step 2: Convert to fraction form
    179,444.61/247,639.17 = 102,977.70/x
  3. Step 3: Cross multiply
    179,444.61x = 247,639.17 × 102,977.70
  4. Step 4: Simplify right side
    179,444.61x = 25,501,312,156.51
  5. Step 5: Solve for x
    x = 25,501,312,156.51/179,444.61
  6. Step 6: Final answer
    x = 142,112.44

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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.