Home / 147,416.23-203,440.04-80,348.23

Finding the Fourth Proportional to 147,416.23, 203,440.04 and 80,348.23

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Solution

The fourth proportional to 147,416.23, 203,440.04 and 80,348.23 is: 110,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,416.23 : 203,440.04 = 80,348.23 : x
  2. Step 2: Convert to fraction form
    147,416.23/203,440.04 = 80,348.23/x
  3. Step 3: Cross multiply
    147,416.23x = 203,440.04 × 80,348.23
  4. Step 4: Simplify right side
    147,416.23x = 16,346,047,125.13
  5. Step 5: Solve for x
    x = 16,346,047,125.13/147,416.23
  6. Step 6: Final answer
    x = 110,883.63

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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.