Home / 97,728.80-146,593.20-97,145.60

Finding the Fourth Proportional to 97,728.80, 146,593.20 and 97,145.60

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Solution

The fourth proportional to 97,728.80, 146,593.20 and 97,145.60 is: 145,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,728.80 : 146,593.20 = 97,145.60 : x
  2. Step 2: Convert to fraction form
    97,728.80/146,593.20 = 97,145.60/x
  3. Step 3: Cross multiply
    97,728.80x = 146,593.20 × 97,145.60
  4. Step 4: Simplify right side
    97,728.80x = 14,240,884,369.92
  5. Step 5: Solve for x
    x = 14,240,884,369.92/97,728.80
  6. Step 6: Final answer
    x = 145,718.40

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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.