Home / 157,376.56-217,176.96-85,757.20

Finding the Fourth Proportional to 157,376.56, 217,176.96 and 85,757.20

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Solution

The fourth proportional to 157,376.56, 217,176.96 and 85,757.20 is: 118,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,376.56 : 217,176.96 = 85,757.20 : x
  2. Step 2: Convert to fraction form
    157,376.56/217,176.96 = 85,757.20/x
  3. Step 3: Cross multiply
    157,376.56x = 217,176.96 × 85,757.20
  4. Step 4: Simplify right side
    157,376.56x = 18,624,487,994.11
  5. Step 5: Solve for x
    x = 18,624,487,994.11/157,376.56
  6. Step 6: Final answer
    x = 118,343.47

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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.