Home / 149,471.40-223,904.70-93,138.60

Finding the Fourth Proportional to 149,471.40, 223,904.70 and 93,138.60

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Solution

The fourth proportional to 149,471.40, 223,904.70 and 93,138.60 is: 139,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,471.40 : 223,904.70 = 93,138.60 : x
  2. Step 2: Convert to fraction form
    149,471.40/223,904.70 = 93,138.60/x
  3. Step 3: Cross multiply
    149,471.40x = 223,904.70 × 93,138.60
  4. Step 4: Simplify right side
    149,471.40x = 20,854,170,291.42
  5. Step 5: Solve for x
    x = 20,854,170,291.42/149,471.40
  6. Step 6: Final answer
    x = 139,519.47

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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.