Home / 235,976.22-325,645.52-128,545.92

Finding the Fourth Proportional to 235,976.22, 325,645.52 and 128,545.92

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Solution

The fourth proportional to 235,976.22, 325,645.52 and 128,545.92 is: 177,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,976.22 : 325,645.52 = 128,545.92 : x
  2. Step 2: Convert to fraction form
    235,976.22/325,645.52 = 128,545.92/x
  3. Step 3: Cross multiply
    235,976.22x = 325,645.52 × 128,545.92
  4. Step 4: Simplify right side
    235,976.22x = 41,860,402,319.55
  5. Step 5: Solve for x
    x = 41,860,402,319.55/235,976.22
  6. Step 6: Final answer
    x = 177,392.46

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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.