Home / 155,124.60-232,730.10-76,241.40

Finding the Fourth Proportional to 155,124.60, 232,730.10 and 76,241.40

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Solution

The fourth proportional to 155,124.60, 232,730.10 and 76,241.40 is: 114,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,124.60 : 232,730.10 = 76,241.40 : x
  2. Step 2: Convert to fraction form
    155,124.60/232,730.10 = 76,241.40/x
  3. Step 3: Cross multiply
    155,124.60x = 232,730.10 × 76,241.40
  4. Step 4: Simplify right side
    155,124.60x = 17,743,668,646.14
  5. Step 5: Solve for x
    x = 17,743,668,646.14/155,124.60
  6. Step 6: Final answer
    x = 114,383.33

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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.