Home / 118,330.07-163,296.38-67,346.68

Finding the Fourth Proportional to 118,330.07, 163,296.38 and 67,346.68

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Solution

The fourth proportional to 118,330.07, 163,296.38 and 67,346.68 is: 92,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,330.07 : 163,296.38 = 67,346.68 : x
  2. Step 2: Convert to fraction form
    118,330.07/163,296.38 = 67,346.68/x
  3. Step 3: Cross multiply
    118,330.07x = 163,296.38 × 67,346.68
  4. Step 4: Simplify right side
    118,330.07x = 10,997,468,809.14
  5. Step 5: Solve for x
    x = 10,997,468,809.14/118,330.07
  6. Step 6: Final answer
    x = 92,938.92

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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.