Home / 157,319.20-217,099.43-85,699.27

Finding the Fourth Proportional to 157,319.20, 217,099.43 and 85,699.27

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Solution

The fourth proportional to 157,319.20, 217,099.43 and 85,699.27 is: 118,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,319.20 : 217,099.43 = 85,699.27 : x
  2. Step 2: Convert to fraction form
    157,319.20/217,099.43 = 85,699.27/x
  3. Step 3: Cross multiply
    157,319.20x = 217,099.43 × 85,699.27
  4. Step 4: Simplify right side
    157,319.20x = 18,605,261,582.92
  5. Step 5: Solve for x
    x = 18,605,261,582.92/157,319.20
  6. Step 6: Final answer
    x = 118,264.41

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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.