Home / 158,390.14-218,578.40-94,727.95

Finding the Fourth Proportional to 158,390.14, 218,578.40 and 94,727.95

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Solution

The fourth proportional to 158,390.14, 218,578.40 and 94,727.95 is: 130,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,390.14 : 218,578.40 = 94,727.95 : x
  2. Step 2: Convert to fraction form
    158,390.14/218,578.40 = 94,727.95/x
  3. Step 3: Cross multiply
    158,390.14x = 218,578.40 × 94,727.95
  4. Step 4: Simplify right side
    158,390.14x = 20,705,483,746.28
  5. Step 5: Solve for x
    x = 20,705,483,746.28/158,390.14
  6. Step 6: Final answer
    x = 130,724.58

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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.