Home / 158,107.75-218,196.59-93,613.93

Finding the Fourth Proportional to 158,107.75, 218,196.59 and 93,613.93

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Solution

The fourth proportional to 158,107.75, 218,196.59 and 93,613.93 is: 129,191.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,107.75 : 218,196.59 = 93,613.93 : x
  2. Step 2: Convert to fraction form
    158,107.75/218,196.59 = 93,613.93/x
  3. Step 3: Cross multiply
    158,107.75x = 218,196.59 × 93,613.93
  4. Step 4: Simplify right side
    158,107.75x = 20,426,239,288.94
  5. Step 5: Solve for x
    x = 20,426,239,288.94/158,107.75
  6. Step 6: Final answer
    x = 129,191.89

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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.