Home / 110,395.04-152,324.16-70,115.36

Finding the Fourth Proportional to 110,395.04, 152,324.16 and 70,115.36

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Solution

The fourth proportional to 110,395.04, 152,324.16 and 70,115.36 is: 96,745.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,395.04 : 152,324.16 = 70,115.36 : x
  2. Step 2: Convert to fraction form
    110,395.04/152,324.16 = 70,115.36/x
  3. Step 3: Cross multiply
    110,395.04x = 152,324.16 × 70,115.36
  4. Step 4: Simplify right side
    110,395.04x = 10,680,263,315.10
  5. Step 5: Solve for x
    x = 10,680,263,315.10/110,395.04
  6. Step 6: Final answer
    x = 96,745.86

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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.