Home / 102,271.28-153,408.02-35,711.55

Finding the Fourth Proportional to 102,271.28, 153,408.02 and 35,711.55

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Solution

The fourth proportional to 102,271.28, 153,408.02 and 35,711.55 is: 53,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,271.28 : 153,408.02 = 35,711.55 : x
  2. Step 2: Convert to fraction form
    102,271.28/153,408.02 = 35,711.55/x
  3. Step 3: Cross multiply
    102,271.28x = 153,408.02 × 35,711.55
  4. Step 4: Simplify right side
    102,271.28x = 5,478,437,998.07
  5. Step 5: Solve for x
    x = 5,478,437,998.07/102,271.28
  6. Step 6: Final answer
    x = 53,567.71

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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.