Home / 162,069.45-223,655.34-90,448.84

Finding the Fourth Proportional to 162,069.45, 223,655.34 and 90,448.84

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Solution

The fourth proportional to 162,069.45, 223,655.34 and 90,448.84 is: 124,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,069.45 : 223,655.34 = 90,448.84 : x
  2. Step 2: Convert to fraction form
    162,069.45/223,655.34 = 90,448.84/x
  3. Step 3: Cross multiply
    162,069.45x = 223,655.34 × 90,448.84
  4. Step 4: Simplify right side
    162,069.45x = 20,229,366,062.81
  5. Step 5: Solve for x
    x = 20,229,366,062.81/162,069.45
  6. Step 6: Final answer
    x = 124,819.12

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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.