Home / 158,220.67-218,450.23-93,710.65

Finding the Fourth Proportional to 158,220.67, 218,450.23 and 93,710.65

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Solution

The fourth proportional to 158,220.67, 218,450.23 and 93,710.65 is: 129,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,220.67 : 218,450.23 = 93,710.65 : x
  2. Step 2: Convert to fraction form
    158,220.67/218,450.23 = 93,710.65/x
  3. Step 3: Cross multiply
    158,220.67x = 218,450.23 × 93,710.65
  4. Step 4: Simplify right side
    158,220.67x = 20,471,113,045.95
  5. Step 5: Solve for x
    x = 20,471,113,045.95/158,220.67
  6. Step 6: Final answer
    x = 129,383.30

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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.