Home / 207,930.42-286,937.52-117,285.06

Finding the Fourth Proportional to 207,930.42, 286,937.52 and 117,285.06

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Solution

The fourth proportional to 207,930.42, 286,937.52 and 117,285.06 is: 161,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,930.42 : 286,937.52 = 117,285.06 : x
  2. Step 2: Convert to fraction form
    207,930.42/286,937.52 = 117,285.06/x
  3. Step 3: Cross multiply
    207,930.42x = 286,937.52 × 117,285.06
  4. Step 4: Simplify right side
    207,930.42x = 33,653,484,249.45
  5. Step 5: Solve for x
    x = 33,653,484,249.45/207,930.42
  6. Step 6: Final answer
    x = 161,849.74

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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.