Home / 115,632.90-159,600.06-75,276.37

Finding the Fourth Proportional to 115,632.90, 159,600.06 and 75,276.37

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Solution

The fourth proportional to 115,632.90, 159,600.06 and 75,276.37 is: 103,898.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,632.90 : 159,600.06 = 75,276.37 : x
  2. Step 2: Convert to fraction form
    115,632.90/159,600.06 = 75,276.37/x
  3. Step 3: Cross multiply
    115,632.90x = 159,600.06 × 75,276.37
  4. Step 4: Simplify right side
    115,632.90x = 12,014,112,769.58
  5. Step 5: Solve for x
    x = 12,014,112,769.58/115,632.90
  6. Step 6: Final answer
    x = 103,898.74

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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.