Home / 161,636.04-223,053.89-90,014.49

Finding the Fourth Proportional to 161,636.04, 223,053.89 and 90,014.49

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Solution

The fourth proportional to 161,636.04, 223,053.89 and 90,014.49 is: 124,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,636.04 : 223,053.89 = 90,014.49 : x
  2. Step 2: Convert to fraction form
    161,636.04/223,053.89 = 90,014.49/x
  3. Step 3: Cross multiply
    161,636.04x = 223,053.89 × 90,014.49
  4. Step 4: Simplify right side
    161,636.04x = 20,078,081,700.79
  5. Step 5: Solve for x
    x = 20,078,081,700.79/161,636.04
  6. Step 6: Final answer
    x = 124,217.85

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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.