Home / 157,999.12-218,042.24-94,325.04

Finding the Fourth Proportional to 157,999.12, 218,042.24 and 94,325.04

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Solution

The fourth proportional to 157,999.12, 218,042.24 and 94,325.04 is: 130,170.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,999.12 : 218,042.24 = 94,325.04 : x
  2. Step 2: Convert to fraction form
    157,999.12/218,042.24 = 94,325.04/x
  3. Step 3: Cross multiply
    157,999.12x = 218,042.24 × 94,325.04
  4. Step 4: Simplify right side
    157,999.12x = 20,566,843,009.69
  5. Step 5: Solve for x
    x = 20,566,843,009.69/157,999.12
  6. Step 6: Final answer
    x = 130,170.62

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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.