Home / 162,349.44-224,040-90,730.56

Finding the Fourth Proportional to 162,349.44, 224,040 and 90,730.56

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Solution

The fourth proportional to 162,349.44, 224,040 and 90,730.56 is: 125,206.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,349.44 : 224,040 = 90,730.56 : x
  2. Step 2: Convert to fraction form
    162,349.44/224,040 = 90,730.56/x
  3. Step 3: Cross multiply
    162,349.44x = 224,040 × 90,730.56
  4. Step 4: Simplify right side
    162,349.44x = 20,327,274,662.40
  5. Step 5: Solve for x
    x = 20,327,274,662.40/162,349.44
  6. Step 6: Final answer
    x = 125,206.93

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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.