Home / 115,921.80-173,882.70-56,795.40

Finding the Fourth Proportional to 115,921.80, 173,882.70 and 56,795.40

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Solution

The fourth proportional to 115,921.80, 173,882.70 and 56,795.40 is: 85,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,921.80 : 173,882.70 = 56,795.40 : x
  2. Step 2: Convert to fraction form
    115,921.80/173,882.70 = 56,795.40/x
  3. Step 3: Cross multiply
    115,921.80x = 173,882.70 × 56,795.40
  4. Step 4: Simplify right side
    115,921.80x = 9,875,737,499.58
  5. Step 5: Solve for x
    x = 9,875,737,499.58/115,921.80
  6. Step 6: Final answer
    x = 85,193.10

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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.