Home / 147,747.70-221,309.55-97,851.70

Finding the Fourth Proportional to 147,747.70, 221,309.55 and 97,851.70

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Solution

The fourth proportional to 147,747.70, 221,309.55 and 97,851.70 is: 146,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,747.70 : 221,309.55 = 97,851.70 : x
  2. Step 2: Convert to fraction form
    147,747.70/221,309.55 = 97,851.70/x
  3. Step 3: Cross multiply
    147,747.70x = 221,309.55 × 97,851.70
  4. Step 4: Simplify right side
    147,747.70x = 21,655,515,693.74
  5. Step 5: Solve for x
    x = 21,655,515,693.74/147,747.70
  6. Step 6: Final answer
    x = 146,570.92

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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.