Home / 113,297.16-156,351.12-61,614.74

Finding the Fourth Proportional to 113,297.16, 156,351.12 and 61,614.74

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Solution

The fourth proportional to 113,297.16, 156,351.12 and 61,614.74 is: 85,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,297.16 : 156,351.12 = 61,614.74 : x
  2. Step 2: Convert to fraction form
    113,297.16/156,351.12 = 61,614.74/x
  3. Step 3: Cross multiply
    113,297.16x = 156,351.12 × 61,614.74
  4. Step 4: Simplify right side
    113,297.16x = 9,633,534,091.40
  5. Step 5: Solve for x
    x = 9,633,534,091.40/113,297.16
  6. Step 6: Final answer
    x = 85,028.91

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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.