Home / 162,181.53-223,794.63-111,237.78

Finding the Fourth Proportional to 162,181.53, 223,794.63 and 111,237.78

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Solution

The fourth proportional to 162,181.53, 223,794.63 and 111,237.78 is: 153,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,181.53 : 223,794.63 = 111,237.78 : x
  2. Step 2: Convert to fraction form
    162,181.53/223,794.63 = 111,237.78/x
  3. Step 3: Cross multiply
    162,181.53x = 223,794.63 × 111,237.78
  4. Step 4: Simplify right side
    162,181.53x = 24,894,417,817.12
  5. Step 5: Solve for x
    x = 24,894,417,817.12/162,181.53
  6. Step 6: Final answer
    x = 153,497.24

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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.