Home / 115,803.95-173,731.50-36,918.18

Finding the Fourth Proportional to 115,803.95, 173,731.50 and 36,918.18

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Solution

The fourth proportional to 115,803.95, 173,731.50 and 36,918.18 is: 55,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,803.95 : 173,731.50 = 36,918.18 : x
  2. Step 2: Convert to fraction form
    115,803.95/173,731.50 = 36,918.18/x
  3. Step 3: Cross multiply
    115,803.95x = 173,731.50 × 36,918.18
  4. Step 4: Simplify right side
    115,803.95x = 6,413,850,788.67
  5. Step 5: Solve for x
    x = 6,413,850,788.67/115,803.95
  6. Step 6: Final answer
    x = 55,385.43

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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.