Home / 148,656.32-205,146.26-80,673.27

Finding the Fourth Proportional to 148,656.32, 205,146.26 and 80,673.27

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Solution

The fourth proportional to 148,656.32, 205,146.26 and 80,673.27 is: 111,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,656.32 : 205,146.26 = 80,673.27 : x
  2. Step 2: Convert to fraction form
    148,656.32/205,146.26 = 80,673.27/x
  3. Step 3: Cross multiply
    148,656.32x = 205,146.26 × 80,673.27
  4. Step 4: Simplify right side
    148,656.32x = 16,549,819,622.47
  5. Step 5: Solve for x
    x = 16,549,819,622.47/148,656.32
  6. Step 6: Final answer
    x = 111,329.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.