Home / 112,429.36-155,161.34-64,033.33

Finding the Fourth Proportional to 112,429.36, 155,161.34 and 64,033.33

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Solution

The fourth proportional to 112,429.36, 155,161.34 and 64,033.33 is: 88,371.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,429.36 : 155,161.34 = 64,033.33 : x
  2. Step 2: Convert to fraction form
    112,429.36/155,161.34 = 64,033.33/x
  3. Step 3: Cross multiply
    112,429.36x = 155,161.34 × 64,033.33
  4. Step 4: Simplify right side
    112,429.36x = 9,935,496,967.30
  5. Step 5: Solve for x
    x = 9,935,496,967.30/112,429.36
  6. Step 6: Final answer
    x = 88,371.02

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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.