Home / 146,801.78-202,576.86-86,360.74

Finding the Fourth Proportional to 146,801.78, 202,576.86 and 86,360.74

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Solution

The fourth proportional to 146,801.78, 202,576.86 and 86,360.74 is: 119,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,801.78 : 202,576.86 = 86,360.74 : x
  2. Step 2: Convert to fraction form
    146,801.78/202,576.86 = 86,360.74/x
  3. Step 3: Cross multiply
    146,801.78x = 202,576.86 × 86,360.74
  4. Step 4: Simplify right side
    146,801.78x = 17,494,687,536.48
  5. Step 5: Solve for x
    x = 17,494,687,536.48/146,801.78
  6. Step 6: Final answer
    x = 119,172.18

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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.