Home / 148,628.55-205,277.76-97,868.21

Finding the Fourth Proportional to 148,628.55, 205,277.76 and 97,868.21

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Solution

The fourth proportional to 148,628.55, 205,277.76 and 97,868.21 is: 135,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,628.55 : 205,277.76 = 97,868.21 : x
  2. Step 2: Convert to fraction form
    148,628.55/205,277.76 = 97,868.21/x
  3. Step 3: Cross multiply
    148,628.55x = 205,277.76 × 97,868.21
  4. Step 4: Simplify right side
    148,628.55x = 20,090,165,897.62
  5. Step 5: Solve for x
    x = 20,090,165,897.62/148,628.55
  6. Step 6: Final answer
    x = 135,170.30

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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.