Home / 155,637.40-233,310.30-121,884.70

Finding the Fourth Proportional to 155,637.40, 233,310.30 and 121,884.70

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Solution

The fourth proportional to 155,637.40, 233,310.30 and 121,884.70 is: 182,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,637.40 : 233,310.30 = 121,884.70 : x
  2. Step 2: Convert to fraction form
    155,637.40/233,310.30 = 121,884.70/x
  3. Step 3: Cross multiply
    155,637.40x = 233,310.30 × 121,884.70
  4. Step 4: Simplify right side
    155,637.40x = 28,436,955,922.41
  5. Step 5: Solve for x
    x = 28,436,955,922.41/155,637.40
  6. Step 6: Final answer
    x = 182,712.87

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1.5x scale

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.