Home / 157,093.08-216,794.34-90,038.04

Finding the Fourth Proportional to 157,093.08, 216,794.34 and 90,038.04

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Solution

The fourth proportional to 157,093.08, 216,794.34 and 90,038.04 is: 124,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,093.08 : 216,794.34 = 90,038.04 : x
  2. Step 2: Convert to fraction form
    157,093.08/216,794.34 = 90,038.04/x
  3. Step 3: Cross multiply
    157,093.08x = 216,794.34 × 90,038.04
  4. Step 4: Simplify right side
    157,093.08x = 19,519,737,456.69
  5. Step 5: Solve for x
    x = 19,519,737,456.69/157,093.08
  6. Step 6: Final answer
    x = 124,255.87

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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.