Home / 163,328.03-245,061.38-79,150.85

Finding the Fourth Proportional to 163,328.03, 245,061.38 and 79,150.85

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Solution

The fourth proportional to 163,328.03, 245,061.38 and 79,150.85 is: 118,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,328.03 : 245,061.38 = 79,150.85 : x
  2. Step 2: Convert to fraction form
    163,328.03/245,061.38 = 79,150.85/x
  3. Step 3: Cross multiply
    163,328.03x = 245,061.38 × 79,150.85
  4. Step 4: Simplify right side
    163,328.03x = 19,396,816,529.17
  5. Step 5: Solve for x
    x = 19,396,816,529.17/163,328.03
  6. Step 6: Final answer
    x = 118,759.88

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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.