Home / 155,460.30-233,190.45-121,634.70

Finding the Fourth Proportional to 155,460.30, 233,190.45 and 121,634.70

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Solution

The fourth proportional to 155,460.30, 233,190.45 and 121,634.70 is: 182,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,460.30 : 233,190.45 = 121,634.70 : x
  2. Step 2: Convert to fraction form
    155,460.30/233,190.45 = 121,634.70/x
  3. Step 3: Cross multiply
    155,460.30x = 233,190.45 × 121,634.70
  4. Step 4: Simplify right side
    155,460.30x = 28,364,050,428.62
  5. Step 5: Solve for x
    x = 28,364,050,428.62/155,460.30
  6. Step 6: Final answer
    x = 182,452.05

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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.