Home / 283,592.25-391,365.54-156,276.05

Finding the Fourth Proportional to 283,592.25, 391,365.54 and 156,276.05

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Solution

The fourth proportional to 283,592.25, 391,365.54 and 156,276.05 is: 215,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,592.25 : 391,365.54 = 156,276.05 : x
  2. Step 2: Convert to fraction form
    283,592.25/391,365.54 = 156,276.05/x
  3. Step 3: Cross multiply
    283,592.25x = 391,365.54 × 156,276.05
  4. Step 4: Simplify right side
    283,592.25x = 61,161,058,740.49
  5. Step 5: Solve for x
    x = 61,161,058,740.49/283,592.25
  6. Step 6: Final answer
    x = 215,665.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.