Home / 134,838.90-202,258.35-133,089.30

Finding the Fourth Proportional to 134,838.90, 202,258.35 and 133,089.30

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Solution

The fourth proportional to 134,838.90, 202,258.35 and 133,089.30 is: 199,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,838.90 : 202,258.35 = 133,089.30 : x
  2. Step 2: Convert to fraction form
    134,838.90/202,258.35 = 133,089.30/x
  3. Step 3: Cross multiply
    134,838.90x = 202,258.35 × 133,089.30
  4. Step 4: Simplify right side
    134,838.90x = 26,918,422,220.66
  5. Step 5: Solve for x
    x = 26,918,422,220.66/134,838.90
  6. Step 6: Final answer
    x = 199,633.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.