Home / 118,394.26-163,395.33-64,687.34

Finding the Fourth Proportional to 118,394.26, 163,395.33 and 64,687.34

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Solution

The fourth proportional to 118,394.26, 163,395.33 and 64,687.34 is: 89,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,394.26 : 163,395.33 = 64,687.34 : x
  2. Step 2: Convert to fraction form
    118,394.26/163,395.33 = 64,687.34/x
  3. Step 3: Cross multiply
    118,394.26x = 163,395.33 × 64,687.34
  4. Step 4: Simplify right side
    118,394.26x = 10,569,609,266.12
  5. Step 5: Solve for x
    x = 10,569,609,266.12/118,394.26
  6. Step 6: Final answer
    x = 89,274.68

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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.