Home / 118,308.40-163,263.44-67,320.02

Finding the Fourth Proportional to 118,308.40, 163,263.44 and 67,320.02

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Solution

The fourth proportional to 118,308.40, 163,263.44 and 67,320.02 is: 92,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,308.40 : 163,263.44 = 67,320.02 : x
  2. Step 2: Convert to fraction form
    118,308.40/163,263.44 = 67,320.02/x
  3. Step 3: Cross multiply
    118,308.40x = 163,263.44 × 67,320.02
  4. Step 4: Simplify right side
    118,308.40x = 10,990,898,046.07
  5. Step 5: Solve for x
    x = 10,990,898,046.07/118,308.40
  6. Step 6: Final answer
    x = 92,900.40

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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.