Home / 121,454.10-182,051.55-46,545.30

Finding the Fourth Proportional to 121,454.10, 182,051.55 and 46,545.30

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Solution

The fourth proportional to 121,454.10, 182,051.55 and 46,545.30 is: 69,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,454.10 : 182,051.55 = 46,545.30 : x
  2. Step 2: Convert to fraction form
    121,454.10/182,051.55 = 46,545.30/x
  3. Step 3: Cross multiply
    121,454.10x = 182,051.55 × 46,545.30
  4. Step 4: Simplify right side
    121,454.10x = 8,473,644,010.22
  5. Step 5: Solve for x
    x = 8,473,644,010.22/121,454.10
  6. Step 6: Final answer
    x = 69,768.28

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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.