Home / 286,581.60-429,584.04-118,224.72

Finding the Fourth Proportional to 286,581.60, 429,584.04 and 118,224.72

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Solution

The fourth proportional to 286,581.60, 429,584.04 and 118,224.72 is: 177,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,581.60 : 429,584.04 = 118,224.72 : x
  2. Step 2: Convert to fraction form
    286,581.60/429,584.04 = 118,224.72/x
  3. Step 3: Cross multiply
    286,581.60x = 429,584.04 × 118,224.72
  4. Step 4: Simplify right side
    286,581.60x = 50,787,452,845.47
  5. Step 5: Solve for x
    x = 50,787,452,845.47/286,581.60
  6. Step 6: Final answer
    x = 177,218.12

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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.