Home / 118,276.20-163,225.02-64,564.09

Finding the Fourth Proportional to 118,276.20, 163,225.02 and 64,564.09

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Solution

The fourth proportional to 118,276.20, 163,225.02 and 64,564.09 is: 89,100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,276.20 : 163,225.02 = 64,564.09 : x
  2. Step 2: Convert to fraction form
    118,276.20/163,225.02 = 64,564.09/x
  3. Step 3: Cross multiply
    118,276.20x = 163,225.02 × 64,564.09
  4. Step 4: Simplify right side
    118,276.20x = 10,538,474,715.58
  5. Step 5: Solve for x
    x = 10,538,474,715.58/118,276.20
  6. Step 6: Final answer
    x = 89,100.55

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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.