Home / 161,684.12-223,124.15-93,740.65

Finding the Fourth Proportional to 161,684.12, 223,124.15 and 93,740.65

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Solution

The fourth proportional to 161,684.12, 223,124.15 and 93,740.65 is: 129,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,684.12 : 223,124.15 = 93,740.65 : x
  2. Step 2: Convert to fraction form
    161,684.12/223,124.15 = 93,740.65/x
  3. Step 3: Cross multiply
    161,684.12x = 223,124.15 × 93,740.65
  4. Step 4: Simplify right side
    161,684.12x = 20,915,802,851.70
  5. Step 5: Solve for x
    x = 20,915,802,851.70/161,684.12
  6. Step 6: Final answer
    x = 129,362.13

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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.