Home / 157,922.76-217,928.34-86,302.56

Finding the Fourth Proportional to 157,922.76, 217,928.34 and 86,302.56

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Solution

The fourth proportional to 157,922.76, 217,928.34 and 86,302.56 is: 119,094.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,922.76 : 217,928.34 = 86,302.56 : x
  2. Step 2: Convert to fraction form
    157,922.76/217,928.34 = 86,302.56/x
  3. Step 3: Cross multiply
    157,922.76x = 217,928.34 × 86,302.56
  4. Step 4: Simplify right side
    157,922.76x = 18,807,773,638.55
  5. Step 5: Solve for x
    x = 18,807,773,638.55/157,922.76
  6. Step 6: Final answer
    x = 119,094.76

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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.