Home / 112,122.98-154,722.93-64,371.86

Finding the Fourth Proportional to 112,122.98, 154,722.93 and 64,371.86

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Solution

The fourth proportional to 112,122.98, 154,722.93 and 64,371.86 is: 88,829.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,122.98 : 154,722.93 = 64,371.86 : x
  2. Step 2: Convert to fraction form
    112,122.98/154,722.93 = 64,371.86/x
  3. Step 3: Cross multiply
    112,122.98x = 154,722.93 × 64,371.86
  4. Step 4: Simplify right side
    112,122.98x = 9,959,802,788.75
  5. Step 5: Solve for x
    x = 9,959,802,788.75/112,122.98
  6. Step 6: Final answer
    x = 88,829.27

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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.