Home / 162,017.42-223,594.83-90,399.04

Finding the Fourth Proportional to 162,017.42, 223,594.83 and 90,399.04

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Solution

The fourth proportional to 162,017.42, 223,594.83 and 90,399.04 is: 124,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,017.42 : 223,594.83 = 90,399.04 : x
  2. Step 2: Convert to fraction form
    162,017.42/223,594.83 = 90,399.04/x
  3. Step 3: Cross multiply
    162,017.42x = 223,594.83 × 90,399.04
  4. Step 4: Simplify right side
    162,017.42x = 20,212,757,421.98
  5. Step 5: Solve for x
    x = 20,212,757,421.98/162,017.42
  6. Step 6: Final answer
    x = 124,756.70

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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.