Home / 97,340.00-146,009.12-30,780.20

Finding the Fourth Proportional to 97,340.00, 146,009.12 and 30,780.20

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Solution

The fourth proportional to 97,340.00, 146,009.12 and 30,780.20 is: 46,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,340.00 : 146,009.12 = 30,780.20 : x
  2. Step 2: Convert to fraction form
    97,340.00/146,009.12 = 30,780.20/x
  3. Step 3: Cross multiply
    97,340.00x = 146,009.12 × 30,780.20
  4. Step 4: Simplify right side
    97,340.00x = 4,494,190,126.55
  5. Step 5: Solve for x
    x = 4,494,190,126.55/97,340.00
  6. Step 6: Final answer
    x = 46,170.03

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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.