Home / 115,905.80-173,973.90-56,808.20

Finding the Fourth Proportional to 115,905.80, 173,973.90 and 56,808.20

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Solution

The fourth proportional to 115,905.80, 173,973.90 and 56,808.20 is: 85,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,905.80 : 173,973.90 = 56,808.20 : x
  2. Step 2: Convert to fraction form
    115,905.80/173,973.90 = 56,808.20/x
  3. Step 3: Cross multiply
    115,905.80x = 173,973.90 × 56,808.20
  4. Step 4: Simplify right side
    115,905.80x = 9,883,144,105.98
  5. Step 5: Solve for x
    x = 9,883,144,105.98/115,905.80
  6. Step 6: Final answer
    x = 85,268.76

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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.