Home / 117,780.48-162,544.32-67,495.68

Finding the Fourth Proportional to 117,780.48, 162,544.32 and 67,495.68

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Solution

The fourth proportional to 117,780.48, 162,544.32 and 67,495.68 is: 93,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,780.48 : 162,544.32 = 67,495.68 : x
  2. Step 2: Convert to fraction form
    117,780.48/162,544.32 = 67,495.68/x
  3. Step 3: Cross multiply
    117,780.48x = 162,544.32 × 67,495.68
  4. Step 4: Simplify right side
    117,780.48x = 10,971,039,408.54
  5. Step 5: Solve for x
    x = 10,971,039,408.54/117,780.48
  6. Step 6: Final answer
    x = 93,148.20

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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.