Home / 113,661.38-156,857.58-63,360.38

Finding the Fourth Proportional to 113,661.38, 156,857.58 and 63,360.38

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Solution

The fourth proportional to 113,661.38, 156,857.58 and 63,360.38 is: 87,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,661.38 : 156,857.58 = 63,360.38 : x
  2. Step 2: Convert to fraction form
    113,661.38/156,857.58 = 63,360.38/x
  3. Step 3: Cross multiply
    113,661.38x = 156,857.58 × 63,360.38
  4. Step 4: Simplify right side
    113,661.38x = 9,938,555,090.39
  5. Step 5: Solve for x
    x = 9,938,555,090.39/113,661.38
  6. Step 6: Final answer
    x = 87,440.04

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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.