Home / 179,620.90-247,878.57-99,051.28

Finding the Fourth Proportional to 179,620.90, 247,878.57 and 99,051.28

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Solution

The fourth proportional to 179,620.90, 247,878.57 and 99,051.28 is: 136,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,620.90 : 247,878.57 = 99,051.28 : x
  2. Step 2: Convert to fraction form
    179,620.90/247,878.57 = 99,051.28/x
  3. Step 3: Cross multiply
    179,620.90x = 247,878.57 × 99,051.28
  4. Step 4: Simplify right side
    179,620.90x = 24,552,689,643.07
  5. Step 5: Solve for x
    x = 24,552,689,643.07/179,620.90
  6. Step 6: Final answer
    x = 136,691.72

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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.