Home / 118,517.40-163,569.05-67,548.45

Finding the Fourth Proportional to 118,517.40, 163,569.05 and 67,548.45

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Solution

The fourth proportional to 118,517.40, 163,569.05 and 67,548.45 is: 93,225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,517.40 : 163,569.05 = 67,548.45 : x
  2. Step 2: Convert to fraction form
    118,517.40/163,569.05 = 67,548.45/x
  3. Step 3: Cross multiply
    118,517.40x = 163,569.05 × 67,548.45
  4. Step 4: Simplify right side
    118,517.40x = 11,048,835,457.73
  5. Step 5: Solve for x
    x = 11,048,835,457.73/118,517.40
  6. Step 6: Final answer
    x = 93,225.43

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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.