Home / 183,445.40-275,008.10-71,202.20

Finding the Fourth Proportional to 183,445.40, 275,008.10 and 71,202.20

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Solution

The fourth proportional to 183,445.40, 275,008.10 and 71,202.20 is: 106,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,445.40 : 275,008.10 = 71,202.20 : x
  2. Step 2: Convert to fraction form
    183,445.40/275,008.10 = 71,202.20/x
  3. Step 3: Cross multiply
    183,445.40x = 275,008.10 × 71,202.20
  4. Step 4: Simplify right side
    183,445.40x = 19,581,181,737.82
  5. Step 5: Solve for x
    x = 19,581,181,737.82/183,445.40
  6. Step 6: Final answer
    x = 106,741.20

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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.