Home / 155,855.80-233,783.70-136,610.20

Finding the Fourth Proportional to 155,855.80, 233,783.70 and 136,610.20

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Solution

The fourth proportional to 155,855.80, 233,783.70 and 136,610.20 is: 204,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,855.80 : 233,783.70 = 136,610.20 : x
  2. Step 2: Convert to fraction form
    155,855.80/233,783.70 = 136,610.20/x
  3. Step 3: Cross multiply
    155,855.80x = 233,783.70 × 136,610.20
  4. Step 4: Simplify right side
    155,855.80x = 31,937,238,013.74
  5. Step 5: Solve for x
    x = 31,937,238,013.74/155,855.80
  6. Step 6: Final answer
    x = 204,915.30

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1.5x scale

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.