Home / 207,330.94-286,113.48-115,449.58

Finding the Fourth Proportional to 207,330.94, 286,113.48 and 115,449.58

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Solution

The fourth proportional to 207,330.94, 286,113.48 and 115,449.58 is: 159,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,330.94 : 286,113.48 = 115,449.58 : x
  2. Step 2: Convert to fraction form
    207,330.94/286,113.48 = 115,449.58/x
  3. Step 3: Cross multiply
    207,330.94x = 286,113.48 × 115,449.58
  4. Step 4: Simplify right side
    207,330.94x = 33,031,681,098.34
  5. Step 5: Solve for x
    x = 33,031,681,098.34/207,330.94
  6. Step 6: Final answer
    x = 159,318.63

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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.