Home / 115,618.80-173,376.36-53,307.12

Finding the Fourth Proportional to 115,618.80, 173,376.36 and 53,307.12

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Solution

The fourth proportional to 115,618.80, 173,376.36 and 53,307.12 is: 79,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,618.80 : 173,376.36 = 53,307.12 : x
  2. Step 2: Convert to fraction form
    115,618.80/173,376.36 = 53,307.12/x
  3. Step 3: Cross multiply
    115,618.80x = 173,376.36 × 53,307.12
  4. Step 4: Simplify right side
    115,618.80x = 9,242,194,427.68
  5. Step 5: Solve for x
    x = 9,242,194,427.68/115,618.80
  6. Step 6: Final answer
    x = 79,936.78

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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.