Home / 354,214.40-531,667.20-176,921.60

Finding the Fourth Proportional to 354,214.40, 531,667.20 and 176,921.60

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Solution

The fourth proportional to 354,214.40, 531,667.20 and 176,921.60 is: 265,555.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,214.40 : 531,667.20 = 176,921.60 : x
  2. Step 2: Convert to fraction form
    354,214.40/531,667.20 = 176,921.60/x
  3. Step 3: Cross multiply
    354,214.40x = 531,667.20 × 176,921.60
  4. Step 4: Simplify right side
    354,214.40x = 94,063,411,691.52
  5. Step 5: Solve for x
    x = 94,063,411,691.52/354,214.40
  6. Step 6: Final answer
    x = 265,555.02

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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.