Home / 115,273.47-159,090.99-64,294.23

Finding the Fourth Proportional to 115,273.47, 159,090.99 and 64,294.23

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Solution

The fourth proportional to 115,273.47, 159,090.99 and 64,294.23 is: 88,733.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,273.47 : 159,090.99 = 64,294.23 : x
  2. Step 2: Convert to fraction form
    115,273.47/159,090.99 = 64,294.23/x
  3. Step 3: Cross multiply
    115,273.47x = 159,090.99 × 64,294.23
  4. Step 4: Simplify right side
    115,273.47x = 10,228,632,701.99
  5. Step 5: Solve for x
    x = 10,228,632,701.99/115,273.47
  6. Step 6: Final answer
    x = 88,733.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.