Home / 145,845.48-218,768.22-83,472.24

Finding the Fourth Proportional to 145,845.48, 218,768.22 and 83,472.24

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Solution

The fourth proportional to 145,845.48, 218,768.22 and 83,472.24 is: 125,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,845.48 : 218,768.22 = 83,472.24 : x
  2. Step 2: Convert to fraction form
    145,845.48/218,768.22 = 83,472.24/x
  3. Step 3: Cross multiply
    145,845.48x = 218,768.22 × 83,472.24
  4. Step 4: Simplify right side
    145,845.48x = 18,261,073,364.21
  5. Step 5: Solve for x
    x = 18,261,073,364.21/145,845.48
  6. Step 6: Final answer
    x = 125,208.36

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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.