Home / 157,717.83-217,650.93-86,099.05

Finding the Fourth Proportional to 157,717.83, 217,650.93 and 86,099.05

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Solution

The fourth proportional to 157,717.83, 217,650.93 and 86,099.05 is: 118,816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,717.83 : 217,650.93 = 86,099.05 : x
  2. Step 2: Convert to fraction form
    157,717.83/217,650.93 = 86,099.05/x
  3. Step 3: Cross multiply
    157,717.83x = 217,650.93 × 86,099.05
  4. Step 4: Simplify right side
    157,717.83x = 18,739,537,216.36
  5. Step 5: Solve for x
    x = 18,739,537,216.36/157,717.83
  6. Step 6: Final answer
    x = 118,816.86

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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.