Home / 158,093.56-218,166.06-86,473.36

Finding the Fourth Proportional to 158,093.56, 218,166.06 and 86,473.36

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Solution

The fourth proportional to 158,093.56, 218,166.06 and 86,473.36 is: 119,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,093.56 : 218,166.06 = 86,473.36 : x
  2. Step 2: Convert to fraction form
    158,093.56/218,166.06 = 86,473.36/x
  3. Step 3: Cross multiply
    158,093.56x = 218,166.06 × 86,473.36
  4. Step 4: Simplify right side
    158,093.56x = 18,865,552,246.16
  5. Step 5: Solve for x
    x = 18,865,552,246.16/158,093.56
  6. Step 6: Final answer
    x = 119,331.57

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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.