Home / 128,774.02-193,144.62-49,834.24

Finding the Fourth Proportional to 128,774.02, 193,144.62 and 49,834.24

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Solution

The fourth proportional to 128,774.02, 193,144.62 and 49,834.24 is: 74,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,774.02 : 193,144.62 = 49,834.24 : x
  2. Step 2: Convert to fraction form
    128,774.02/193,144.62 = 49,834.24/x
  3. Step 3: Cross multiply
    128,774.02x = 193,144.62 × 49,834.24
  4. Step 4: Simplify right side
    128,774.02x = 9,625,215,347.79
  5. Step 5: Solve for x
    x = 9,625,215,347.79/128,774.02
  6. Step 6: Final answer
    x = 74,745.01

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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.