Home / 118,788.36-163,886.96-67,764.29

Finding the Fourth Proportional to 118,788.36, 163,886.96 and 67,764.29

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Solution

The fourth proportional to 118,788.36, 163,886.96 and 67,764.29 is: 93,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,788.36 : 163,886.96 = 67,764.29 : x
  2. Step 2: Convert to fraction form
    118,788.36/163,886.96 = 67,764.29/x
  3. Step 3: Cross multiply
    118,788.36x = 163,886.96 × 67,764.29
  4. Step 4: Simplify right side
    118,788.36x = 11,105,682,834.63
  5. Step 5: Solve for x
    x = 11,105,682,834.63/118,788.36
  6. Step 6: Final answer
    x = 93,491.34

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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.