Home / 148,258.80-222,407.40-73,417.20

Finding the Fourth Proportional to 148,258.80, 222,407.40 and 73,417.20

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Solution

The fourth proportional to 148,258.80, 222,407.40 and 73,417.20 is: 110,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,258.80 : 222,407.40 = 73,417.20 : x
  2. Step 2: Convert to fraction form
    148,258.80/222,407.40 = 73,417.20/x
  3. Step 3: Cross multiply
    148,258.80x = 222,407.40 × 73,417.20
  4. Step 4: Simplify right side
    148,258.80x = 16,328,528,567.28
  5. Step 5: Solve for x
    x = 16,328,528,567.28/148,258.80
  6. Step 6: Final answer
    x = 110,135.31

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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.