Home / 144,032.56-198,709.48-90,223.92

Finding the Fourth Proportional to 144,032.56, 198,709.48 and 90,223.92

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Solution

The fourth proportional to 144,032.56, 198,709.48 and 90,223.92 is: 124,474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,032.56 : 198,709.48 = 90,223.92 : x
  2. Step 2: Convert to fraction form
    144,032.56/198,709.48 = 90,223.92/x
  3. Step 3: Cross multiply
    144,032.56x = 198,709.48 × 90,223.92
  4. Step 4: Simplify right side
    144,032.56x = 17,928,348,226.76
  5. Step 5: Solve for x
    x = 17,928,348,226.76/144,032.56
  6. Step 6: Final answer
    x = 124,474.27

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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.