Home / 162,555.22-224,327.01-90,935.20

Finding the Fourth Proportional to 162,555.22, 224,327.01 and 90,935.20

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Solution

The fourth proportional to 162,555.22, 224,327.01 and 90,935.20 is: 125,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,555.22 : 224,327.01 = 90,935.20 : x
  2. Step 2: Convert to fraction form
    162,555.22/224,327.01 = 90,935.20/x
  3. Step 3: Cross multiply
    162,555.22x = 224,327.01 × 90,935.20
  4. Step 4: Simplify right side
    162,555.22x = 20,399,221,519.75
  5. Step 5: Solve for x
    x = 20,399,221,519.75/162,555.22
  6. Step 6: Final answer
    x = 125,491.03

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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.