Home / 161,685.63-223,109.15-93,723.93

Finding the Fourth Proportional to 161,685.63, 223,109.15 and 93,723.93

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Solution

The fourth proportional to 161,685.63, 223,109.15 and 93,723.93 is: 129,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,685.63 : 223,109.15 = 93,723.93 : x
  2. Step 2: Convert to fraction form
    161,685.63/223,109.15 = 93,723.93/x
  3. Step 3: Cross multiply
    161,685.63x = 223,109.15 × 93,723.93
  4. Step 4: Simplify right side
    161,685.63x = 20,910,665,888.34
  5. Step 5: Solve for x
    x = 20,910,665,888.34/161,685.63
  6. Step 6: Final answer
    x = 129,329.15

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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.