Home / 162,266.56-223,907.76-90,660.13

Finding the Fourth Proportional to 162,266.56, 223,907.76 and 90,660.13

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Solution

The fourth proportional to 162,266.56, 223,907.76 and 90,660.13 is: 125,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,266.56 : 223,907.76 = 90,660.13 : x
  2. Step 2: Convert to fraction form
    162,266.56/223,907.76 = 90,660.13/x
  3. Step 3: Cross multiply
    162,266.56x = 223,907.76 × 90,660.13
  4. Step 4: Simplify right side
    162,266.56x = 20,299,506,069.84
  5. Step 5: Solve for x
    x = 20,299,506,069.84/162,266.56
  6. Step 6: Final answer
    x = 125,099.75

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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.