Home / 161,903.24-223,430.40-90,282.56

Finding the Fourth Proportional to 161,903.24, 223,430.40 and 90,282.56

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Solution

The fourth proportional to 161,903.24, 223,430.40 and 90,282.56 is: 124,592.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,903.24 : 223,430.40 = 90,282.56 : x
  2. Step 2: Convert to fraction form
    161,903.24/223,430.40 = 90,282.56/x
  3. Step 3: Cross multiply
    161,903.24x = 223,430.40 × 90,282.56
  4. Step 4: Simplify right side
    161,903.24x = 20,171,868,493.82
  5. Step 5: Solve for x
    x = 20,171,868,493.82/161,903.24
  6. Step 6: Final answer
    x = 124,592.12

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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.