Home / 162,256.50-223,768.51-135,122.45

Finding the Fourth Proportional to 162,256.50, 223,768.51 and 135,122.45

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Solution

The fourth proportional to 162,256.50, 223,768.51 and 135,122.45 is: 186,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,256.50 : 223,768.51 = 135,122.45 : x
  2. Step 2: Convert to fraction form
    162,256.50/223,768.51 = 135,122.45/x
  3. Step 3: Cross multiply
    162,256.50x = 223,768.51 × 135,122.45
  4. Step 4: Simplify right side
    162,256.50x = 30,236,147,847.40
  5. Step 5: Solve for x
    x = 30,236,147,847.40/162,256.50
  6. Step 6: Final answer
    x = 186,347.84

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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.