Home / 157,223.70-235,576.35-130,785.30

Finding the Fourth Proportional to 157,223.70, 235,576.35 and 130,785.30

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Solution

The fourth proportional to 157,223.70, 235,576.35 and 130,785.30 is: 195,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,223.70 : 235,576.35 = 130,785.30 : x
  2. Step 2: Convert to fraction form
    157,223.70/235,576.35 = 130,785.30/x
  3. Step 3: Cross multiply
    157,223.70x = 235,576.35 × 130,785.30
  4. Step 4: Simplify right side
    157,223.70x = 30,809,923,607.66
  5. Step 5: Solve for x
    x = 30,809,923,607.66/157,223.70
  6. Step 6: Final answer
    x = 195,962.34

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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.