Home / 157,644.06-217,637.19-109,316.22

Finding the Fourth Proportional to 157,644.06, 217,637.19 and 109,316.22

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Solution

The fourth proportional to 157,644.06, 217,637.19 and 109,316.22 is: 150,917.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,644.06 : 217,637.19 = 109,316.22 : x
  2. Step 2: Convert to fraction form
    157,644.06/217,637.19 = 109,316.22/x
  3. Step 3: Cross multiply
    157,644.06x = 217,637.19 × 109,316.22
  4. Step 4: Simplify right side
    157,644.06x = 23,791,274,942.22
  5. Step 5: Solve for x
    x = 23,791,274,942.22/157,644.06
  6. Step 6: Final answer
    x = 150,917.67

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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.