Home / 118,240.36-163,175.16-64,528.84

Finding the Fourth Proportional to 118,240.36, 163,175.16 and 64,528.84

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Solution

The fourth proportional to 118,240.36, 163,175.16 and 64,528.84 is: 89,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,240.36 : 163,175.16 = 64,528.84 : x
  2. Step 2: Convert to fraction form
    118,240.36/163,175.16 = 64,528.84/x
  3. Step 3: Cross multiply
    118,240.36x = 163,175.16 × 64,528.84
  4. Step 4: Simplify right side
    118,240.36x = 10,529,503,791.61
  5. Step 5: Solve for x
    x = 10,529,503,791.61/118,240.36
  6. Step 6: Final answer
    x = 89,051.69

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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.