Home / 389,617.60-584,426.40-168,001.60

Finding the Fourth Proportional to 389,617.60, 584,426.40 and 168,001.60

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Solution

The fourth proportional to 389,617.60, 584,426.40 and 168,001.60 is: 252,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,617.60 : 584,426.40 = 168,001.60 : x
  2. Step 2: Convert to fraction form
    389,617.60/584,426.40 = 168,001.60/x
  3. Step 3: Cross multiply
    389,617.60x = 584,426.40 × 168,001.60
  4. Step 4: Simplify right side
    389,617.60x = 98,184,570,282.24
  5. Step 5: Solve for x
    x = 98,184,570,282.24/389,617.60
  6. Step 6: Final answer
    x = 252,002.40

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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.