Home / 117,925.40-162,740.52-64,212.68

Finding the Fourth Proportional to 117,925.40, 162,740.52 and 64,212.68

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Solution

The fourth proportional to 117,925.40, 162,740.52 and 64,212.68 is: 88,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,925.40 : 162,740.52 = 64,212.68 : x
  2. Step 2: Convert to fraction form
    117,925.40/162,740.52 = 64,212.68/x
  3. Step 3: Cross multiply
    117,925.40x = 162,740.52 × 64,212.68
  4. Step 4: Simplify right side
    117,925.40x = 10,450,004,120.09
  5. Step 5: Solve for x
    x = 10,450,004,120.09/117,925.40
  6. Step 6: Final answer
    x = 88,615.38

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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.