Home / 158,097.05-218,171.35-86,476.44

Finding the Fourth Proportional to 158,097.05, 218,171.35 and 86,476.44

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Solution

The fourth proportional to 158,097.05, 218,171.35 and 86,476.44 is: 119,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,097.05 : 218,171.35 = 86,476.44 : x
  2. Step 2: Convert to fraction form
    158,097.05/218,171.35 = 86,476.44/x
  3. Step 3: Cross multiply
    158,097.05x = 218,171.35 × 86,476.44
  4. Step 4: Simplify right side
    158,097.05x = 18,866,681,657.99
  5. Step 5: Solve for x
    x = 18,866,681,657.99/158,097.05
  6. Step 6: Final answer
    x = 119,336.08

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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.