Home / 113,254.48-156,309.24-65,536.84

Finding the Fourth Proportional to 113,254.48, 156,309.24 and 65,536.84

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Solution

The fourth proportional to 113,254.48, 156,309.24 and 65,536.84 is: 90,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,254.48 : 156,309.24 = 65,536.84 : x
  2. Step 2: Convert to fraction form
    113,254.48/156,309.24 = 65,536.84/x
  3. Step 3: Cross multiply
    113,254.48x = 156,309.24 × 65,536.84
  4. Step 4: Simplify right side
    113,254.48x = 10,244,013,652.40
  5. Step 5: Solve for x
    x = 10,244,013,652.40/113,254.48
  6. Step 6: Final answer
    x = 90,451.29

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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.