Home / 148,110.40-204,304.64-90,775.46

Finding the Fourth Proportional to 148,110.40, 204,304.64 and 90,775.46

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Solution

The fourth proportional to 148,110.40, 204,304.64 and 90,775.46 is: 125,216.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,110.40 : 204,304.64 = 90,775.46 : x
  2. Step 2: Convert to fraction form
    148,110.40/204,304.64 = 90,775.46/x
  3. Step 3: Cross multiply
    148,110.40x = 204,304.64 × 90,775.46
  4. Step 4: Simplify right side
    148,110.40x = 18,545,847,222.26
  5. Step 5: Solve for x
    x = 18,545,847,222.26/148,110.40
  6. Step 6: Final answer
    x = 125,216.38

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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.