Home / 118,153.07-163,044.74-67,158.71

Finding the Fourth Proportional to 118,153.07, 163,044.74 and 67,158.71

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Solution

The fourth proportional to 118,153.07, 163,044.74 and 67,158.71 is: 92,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,153.07 : 163,044.74 = 67,158.71 : x
  2. Step 2: Convert to fraction form
    118,153.07/163,044.74 = 67,158.71/x
  3. Step 3: Cross multiply
    118,153.07x = 163,044.74 × 67,158.71
  4. Step 4: Simplify right side
    118,153.07x = 10,949,873,763.36
  5. Step 5: Solve for x
    x = 10,949,873,763.36/118,153.07
  6. Step 6: Final answer
    x = 92,675.33

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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.