Home / 118,880.11-164,071.34-73,572.69

Finding the Fourth Proportional to 118,880.11, 164,071.34 and 73,572.69

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Solution

The fourth proportional to 118,880.11, 164,071.34 and 73,572.69 is: 101,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,880.11 : 164,071.34 = 73,572.69 : x
  2. Step 2: Convert to fraction form
    118,880.11/164,071.34 = 73,572.69/x
  3. Step 3: Cross multiply
    118,880.11x = 164,071.34 × 73,572.69
  4. Step 4: Simplify right side
    118,880.11x = 12,071,169,835.70
  5. Step 5: Solve for x
    x = 12,071,169,835.70/118,880.11
  6. Step 6: Final answer
    x = 101,540.70

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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.