Home / 118,179.28-163,087.90-64,465.44

Finding the Fourth Proportional to 118,179.28, 163,087.90 and 64,465.44

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Solution

The fourth proportional to 118,179.28, 163,087.90 and 64,465.44 is: 88,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,179.28 : 163,087.90 = 64,465.44 : x
  2. Step 2: Convert to fraction form
    118,179.28/163,087.90 = 64,465.44/x
  3. Step 3: Cross multiply
    118,179.28x = 163,087.90 × 64,465.44
  4. Step 4: Simplify right side
    118,179.28x = 10,513,533,232.18
  5. Step 5: Solve for x
    x = 10,513,533,232.18/118,179.28
  6. Step 6: Final answer
    x = 88,962.58

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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.