Home / 158,095.55-218,169.29-86,474.94

Finding the Fourth Proportional to 158,095.55, 218,169.29 and 86,474.94

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Solution

The fourth proportional to 158,095.55, 218,169.29 and 86,474.94 is: 119,334.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,095.55 : 218,169.29 = 86,474.94 : x
  2. Step 2: Convert to fraction form
    158,095.55/218,169.29 = 86,474.94/x
  3. Step 3: Cross multiply
    158,095.55x = 218,169.29 × 86,474.94
  4. Step 4: Simplify right side
    158,095.55x = 18,866,175,830.22
  5. Step 5: Solve for x
    x = 18,866,175,830.22/158,095.55
  6. Step 6: Final answer
    x = 119,334.01

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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.