Home / 237,176.15-355,811.84-87,417.23

Finding the Fourth Proportional to 237,176.15, 355,811.84 and 87,417.23

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Solution

The fourth proportional to 237,176.15, 355,811.84 and 87,417.23 is: 131,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,176.15 : 355,811.84 = 87,417.23 : x
  2. Step 2: Convert to fraction form
    237,176.15/355,811.84 = 87,417.23/x
  3. Step 3: Cross multiply
    237,176.15x = 355,811.84 × 87,417.23
  4. Step 4: Simplify right side
    237,176.15x = 31,104,083,565.67
  5. Step 5: Solve for x
    x = 31,104,083,565.67/237,176.15
  6. Step 6: Final answer
    x = 131,143.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.