Home / 147,835.70-221,862.90-97,899.20

Finding the Fourth Proportional to 147,835.70, 221,862.90 and 97,899.20

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Solution

The fourth proportional to 147,835.70, 221,862.90 and 97,899.20 is: 146,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,835.70 : 221,862.90 = 97,899.20 : x
  2. Step 2: Convert to fraction form
    147,835.70/221,862.90 = 97,899.20/x
  3. Step 3: Cross multiply
    147,835.70x = 221,862.90 × 97,899.20
  4. Step 4: Simplify right side
    147,835.70x = 21,720,200,419.68
  5. Step 5: Solve for x
    x = 21,720,200,419.68/147,835.70
  6. Step 6: Final answer
    x = 146,921.21

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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.