Home / 188,210.15-259,730.44-103,332.68

Finding the Fourth Proportional to 188,210.15, 259,730.44 and 103,332.68

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Solution

The fourth proportional to 188,210.15, 259,730.44 and 103,332.68 is: 142,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,210.15 : 259,730.44 = 103,332.68 : x
  2. Step 2: Convert to fraction form
    188,210.15/259,730.44 = 103,332.68/x
  3. Step 3: Cross multiply
    188,210.15x = 259,730.44 × 103,332.68
  4. Step 4: Simplify right side
    188,210.15x = 26,838,642,442.78
  5. Step 5: Solve for x
    x = 26,838,642,442.78/188,210.15
  6. Step 6: Final answer
    x = 142,599.34

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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.