Home / 118,269-163,217.88-67,971.24

Finding the Fourth Proportional to 118,269, 163,217.88 and 67,971.24

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Solution

The fourth proportional to 118,269, 163,217.88 and 67,971.24 is: 93,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,269 : 163,217.88 = 67,971.24 : x
  2. Step 2: Convert to fraction form
    118,269/163,217.88 = 67,971.24/x
  3. Step 3: Cross multiply
    118,269x = 163,217.88 × 67,971.24
  4. Step 4: Simplify right side
    118,269x = 11,094,121,693.77
  5. Step 5: Solve for x
    x = 11,094,121,693.77/118,269
  6. Step 6: Final answer
    x = 93,804.14

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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.