Home / 261,943.50-361,485.28-158,576.32

Finding the Fourth Proportional to 261,943.50, 361,485.28 and 158,576.32

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Solution

The fourth proportional to 261,943.50, 361,485.28 and 158,576.32 is: 218,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,943.50 : 361,485.28 = 158,576.32 : x
  2. Step 2: Convert to fraction form
    261,943.50/361,485.28 = 158,576.32/x
  3. Step 3: Cross multiply
    261,943.50x = 361,485.28 × 158,576.32
  4. Step 4: Simplify right side
    261,943.50x = 57,323,005,436.57
  5. Step 5: Solve for x
    x = 57,323,005,436.57/261,943.50
  6. Step 6: Final answer
    x = 218,837.29

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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.