Home / 115,933.50-173,900.25-28,381.50

Finding the Fourth Proportional to 115,933.50, 173,900.25 and 28,381.50

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Solution

The fourth proportional to 115,933.50, 173,900.25 and 28,381.50 is: 42,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,933.50 : 173,900.25 = 28,381.50 : x
  2. Step 2: Convert to fraction form
    115,933.50/173,900.25 = 28,381.50/x
  3. Step 3: Cross multiply
    115,933.50x = 173,900.25 × 28,381.50
  4. Step 4: Simplify right side
    115,933.50x = 4,935,549,945.38
  5. Step 5: Solve for x
    x = 4,935,549,945.38/115,933.50
  6. Step 6: Final answer
    x = 42,572.25

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1.5x scale

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.