Home / 162,523.40-223,644.66-143,705.48

Finding the Fourth Proportional to 162,523.40, 223,644.66 and 143,705.48

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Solution

The fourth proportional to 162,523.40, 223,644.66 and 143,705.48 is: 197,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,523.40 : 223,644.66 = 143,705.48 : x
  2. Step 2: Convert to fraction form
    162,523.40/223,644.66 = 143,705.48/x
  3. Step 3: Cross multiply
    162,523.40x = 223,644.66 × 143,705.48
  4. Step 4: Simplify right side
    162,523.40x = 32,138,963,214.74
  5. Step 5: Solve for x
    x = 32,138,963,214.74/162,523.40
  6. Step 6: Final answer
    x = 197,749.76

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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.