Home / 188,500.47-260,124.06-103,616.92

Finding the Fourth Proportional to 188,500.47, 260,124.06 and 103,616.92

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Solution

The fourth proportional to 188,500.47, 260,124.06 and 103,616.92 is: 142,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,500.47 : 260,124.06 = 103,616.92 : x
  2. Step 2: Convert to fraction form
    188,500.47/260,124.06 = 103,616.92/x
  3. Step 3: Cross multiply
    188,500.47x = 260,124.06 × 103,616.92
  4. Step 4: Simplify right side
    188,500.47x = 26,953,254,045.97
  5. Step 5: Solve for x
    x = 26,953,254,045.97/188,500.47
  6. Step 6: Final answer
    x = 142,987.73

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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.