Home / 147,446.88-203,341.67-109,301.45

Finding the Fourth Proportional to 147,446.88, 203,341.67 and 109,301.45

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Solution

The fourth proportional to 147,446.88, 203,341.67 and 109,301.45 is: 150,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,446.88 : 203,341.67 = 109,301.45 : x
  2. Step 2: Convert to fraction form
    147,446.88/203,341.67 = 109,301.45/x
  3. Step 3: Cross multiply
    147,446.88x = 203,341.67 × 109,301.45
  4. Step 4: Simplify right side
    147,446.88x = 22,225,539,376.42
  5. Step 5: Solve for x
    x = 22,225,539,376.42/147,446.88
  6. Step 6: Final answer
    x = 150,735.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.