Home / 384,631.60-576,947.40-104,148.40

Finding the Fourth Proportional to 384,631.60, 576,947.40 and 104,148.40

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Solution

The fourth proportional to 384,631.60, 576,947.40 and 104,148.40 is: 156,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,631.60 : 576,947.40 = 104,148.40 : x
  2. Step 2: Convert to fraction form
    384,631.60/576,947.40 = 104,148.40/x
  3. Step 3: Cross multiply
    384,631.60x = 576,947.40 × 104,148.40
  4. Step 4: Simplify right side
    384,631.60x = 60,088,148,594.16
  5. Step 5: Solve for x
    x = 60,088,148,594.16/384,631.60
  6. Step 6: Final answer
    x = 156,222.60

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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.