Home / 118,239.14-163,156.64-67,954.34

Finding the Fourth Proportional to 118,239.14, 163,156.64 and 67,954.34

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Solution

The fourth proportional to 118,239.14, 163,156.64 and 67,954.34 is: 93,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,239.14 : 163,156.64 = 67,954.34 : x
  2. Step 2: Convert to fraction form
    118,239.14/163,156.64 = 67,954.34/x
  3. Step 3: Cross multiply
    118,239.14x = 163,156.64 × 67,954.34
  4. Step 4: Simplify right side
    118,239.14x = 11,087,201,787.82
  5. Step 5: Solve for x
    x = 11,087,201,787.82/118,239.14
  6. Step 6: Final answer
    x = 93,769.30

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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.