Home / 118,313.41-163,276.10-67,333.47

Finding the Fourth Proportional to 118,313.41, 163,276.10 and 67,333.47

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Solution

The fourth proportional to 118,313.41, 163,276.10 and 67,333.47 is: 92,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,313.41 : 163,276.10 = 67,333.47 : x
  2. Step 2: Convert to fraction form
    118,313.41/163,276.10 = 67,333.47/x
  3. Step 3: Cross multiply
    118,313.41x = 163,276.10 × 67,333.47
  4. Step 4: Simplify right side
    118,313.41x = 10,993,946,381.07
  5. Step 5: Solve for x
    x = 10,993,946,381.07/118,313.41
  6. Step 6: Final answer
    x = 92,922.23

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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.