Home / 158,094.06-218,166.75-86,473.86

Finding the Fourth Proportional to 158,094.06, 218,166.75 and 86,473.86

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Solution

The fourth proportional to 158,094.06, 218,166.75 and 86,473.86 is: 119,332.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,094.06 : 218,166.75 = 86,473.86 : x
  2. Step 2: Convert to fraction form
    158,094.06/218,166.75 = 86,473.86/x
  3. Step 3: Cross multiply
    158,094.06x = 218,166.75 × 86,473.86
  4. Step 4: Simplify right side
    158,094.06x = 18,865,720,996.16
  5. Step 5: Solve for x
    x = 18,865,720,996.16/158,094.06
  6. Step 6: Final answer
    x = 119,332.26

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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.