Home / 158,186.74-218,263.93-93,676.25

Finding the Fourth Proportional to 158,186.74, 218,263.93 and 93,676.25

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Solution

The fourth proportional to 158,186.74, 218,263.93 and 93,676.25 is: 129,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,186.74 : 218,263.93 = 93,676.25 : x
  2. Step 2: Convert to fraction form
    158,186.74/218,263.93 = 93,676.25/x
  3. Step 3: Cross multiply
    158,186.74x = 218,263.93 × 93,676.25
  4. Step 4: Simplify right side
    158,186.74x = 20,446,146,083.33
  5. Step 5: Solve for x
    x = 20,446,146,083.33/158,186.74
  6. Step 6: Final answer
    x = 129,253.22

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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.