Home / 576,938.79-865,308.27-156,116.25

Finding the Fourth Proportional to 576,938.79, 865,308.27 and 156,116.25

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Solution

The fourth proportional to 576,938.79, 865,308.27 and 156,116.25 is: 234,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,938.79 : 865,308.27 = 156,116.25 : x
  2. Step 2: Convert to fraction form
    576,938.79/865,308.27 = 156,116.25/x
  3. Step 3: Cross multiply
    576,938.79x = 865,308.27 × 156,116.25
  4. Step 4: Simplify right side
    576,938.79x = 135,088,682,206.39
  5. Step 5: Solve for x
    x = 135,088,682,206.39/576,938.79
  6. Step 6: Final answer
    x = 234,147.34

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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.