Home / 157,511.24-217,370.76-85,895.18

Finding the Fourth Proportional to 157,511.24, 217,370.76 and 85,895.18

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Solution

The fourth proportional to 157,511.24, 217,370.76 and 85,895.18 is: 118,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,511.24 : 217,370.76 = 85,895.18 : x
  2. Step 2: Convert to fraction form
    157,511.24/217,370.76 = 85,895.18/x
  3. Step 3: Cross multiply
    157,511.24x = 217,370.76 × 85,895.18
  4. Step 4: Simplify right side
    157,511.24x = 18,671,100,556.94
  5. Step 5: Solve for x
    x = 18,671,100,556.94/157,511.24
  6. Step 6: Final answer
    x = 118,538.21

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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.