Home / 157,799.24-217,764.68-86,181.36

Finding the Fourth Proportional to 157,799.24, 217,764.68 and 86,181.36

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Solution

The fourth proportional to 157,799.24, 217,764.68 and 86,181.36 is: 118,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,799.24 : 217,764.68 = 86,181.36 : x
  2. Step 2: Convert to fraction form
    157,799.24/217,764.68 = 86,181.36/x
  3. Step 3: Cross multiply
    157,799.24x = 217,764.68 × 86,181.36
  4. Step 4: Simplify right side
    157,799.24x = 18,767,256,282.36
  5. Step 5: Solve for x
    x = 18,767,256,282.36/157,799.24
  6. Step 6: Final answer
    x = 118,931.22

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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.