Home / 121,454.60-182,181.90-96,085.40

Finding the Fourth Proportional to 121,454.60, 182,181.90 and 96,085.40

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Solution

The fourth proportional to 121,454.60, 182,181.90 and 96,085.40 is: 144,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,454.60 : 182,181.90 = 96,085.40 : x
  2. Step 2: Convert to fraction form
    121,454.60/182,181.90 = 96,085.40/x
  3. Step 3: Cross multiply
    121,454.60x = 182,181.90 × 96,085.40
  4. Step 4: Simplify right side
    121,454.60x = 17,505,020,734.26
  5. Step 5: Solve for x
    x = 17,505,020,734.26/121,454.60
  6. Step 6: Final answer
    x = 144,128.10

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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.