Home / 207,822.69-286,811.55-115,970.85

Finding the Fourth Proportional to 207,822.69, 286,811.55 and 115,970.85

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Solution

The fourth proportional to 207,822.69, 286,811.55 and 115,970.85 is: 160,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,822.69 : 286,811.55 = 115,970.85 : x
  2. Step 2: Convert to fraction form
    207,822.69/286,811.55 = 115,970.85/x
  3. Step 3: Cross multiply
    207,822.69x = 286,811.55 × 115,970.85
  4. Step 4: Simplify right side
    207,822.69x = 33,261,778,663.46
  5. Step 5: Solve for x
    x = 33,261,778,663.46/207,822.69
  6. Step 6: Final answer
    x = 160,048.83

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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.