Home / 157,579.30-217,459.06-85,959.33

Finding the Fourth Proportional to 157,579.30, 217,459.06 and 85,959.33

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Solution

The fourth proportional to 157,579.30, 217,459.06 and 85,959.33 is: 118,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,579.30 : 217,459.06 = 85,959.33 : x
  2. Step 2: Convert to fraction form
    157,579.30/217,459.06 = 85,959.33/x
  3. Step 3: Cross multiply
    157,579.30x = 217,459.06 × 85,959.33
  4. Step 4: Simplify right side
    157,579.30x = 18,692,635,100.03
  5. Step 5: Solve for x
    x = 18,692,635,100.03/157,579.30
  6. Step 6: Final answer
    x = 118,623.67

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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.