Home / 207,657.09-286,560.81-117,011.43

Finding the Fourth Proportional to 207,657.09, 286,560.81 and 117,011.43

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Solution

The fourth proportional to 207,657.09, 286,560.81 and 117,011.43 is: 161,472.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,657.09 : 286,560.81 = 117,011.43 : x
  2. Step 2: Convert to fraction form
    207,657.09/286,560.81 = 117,011.43/x
  3. Step 3: Cross multiply
    207,657.09x = 286,560.81 × 117,011.43
  4. Step 4: Simplify right side
    207,657.09x = 33,530,890,160.06
  5. Step 5: Solve for x
    x = 33,530,890,160.06/207,657.09
  6. Step 6: Final answer
    x = 161,472.41

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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.