Home / 193,036.02-289,455.29-80,685.57

Finding the Fourth Proportional to 193,036.02, 289,455.29 and 80,685.57

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Solution

The fourth proportional to 193,036.02, 289,455.29 and 80,685.57 is: 120,987.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,036.02 : 289,455.29 = 80,685.57 : x
  2. Step 2: Convert to fraction form
    193,036.02/289,455.29 = 80,685.57/x
  3. Step 3: Cross multiply
    193,036.02x = 289,455.29 × 80,685.57
  4. Step 4: Simplify right side
    193,036.02x = 23,354,865,063.17
  5. Step 5: Solve for x
    x = 23,354,865,063.17/193,036.02
  6. Step 6: Final answer
    x = 120,987.08

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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.