Home / 162,112.64-223,719.22-101,685.84

Finding the Fourth Proportional to 162,112.64, 223,719.22 and 101,685.84

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Solution

The fourth proportional to 162,112.64, 223,719.22 and 101,685.84 is: 140,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,112.64 : 223,719.22 = 101,685.84 : x
  2. Step 2: Convert to fraction form
    162,112.64/223,719.22 = 101,685.84/x
  3. Step 3: Cross multiply
    162,112.64x = 223,719.22 × 101,685.84
  4. Step 4: Simplify right side
    162,112.64x = 22,749,076,809.84
  5. Step 5: Solve for x
    x = 22,749,076,809.84/162,112.64
  6. Step 6: Final answer
    x = 140,328.83

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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.