Home / 116,012.52-160,040.34-75,707.64

Finding the Fourth Proportional to 116,012.52, 160,040.34 and 75,707.64

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Solution

The fourth proportional to 116,012.52, 160,040.34 and 75,707.64 is: 104,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,012.52 : 160,040.34 = 75,707.64 : x
  2. Step 2: Convert to fraction form
    116,012.52/160,040.34 = 75,707.64/x
  3. Step 3: Cross multiply
    116,012.52x = 160,040.34 × 75,707.64
  4. Step 4: Simplify right side
    116,012.52x = 12,116,276,446.20
  5. Step 5: Solve for x
    x = 12,116,276,446.20/116,012.52
  6. Step 6: Final answer
    x = 104,439.39

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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.