Home / 148,109.40-221,969.70-59,290.20

Finding the Fourth Proportional to 148,109.40, 221,969.70 and 59,290.20

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Solution

The fourth proportional to 148,109.40, 221,969.70 and 59,290.20 is: 88,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,109.40 : 221,969.70 = 59,290.20 : x
  2. Step 2: Convert to fraction form
    148,109.40/221,969.70 = 59,290.20/x
  3. Step 3: Cross multiply
    148,109.40x = 221,969.70 × 59,290.20
  4. Step 4: Simplify right side
    148,109.40x = 13,160,627,906.94
  5. Step 5: Solve for x
    x = 13,160,627,906.94/148,109.40
  6. Step 6: Final answer
    x = 88,857.48

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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.