Home / 154,576.52-213,320.32-86,593.32

Finding the Fourth Proportional to 154,576.52, 213,320.32 and 86,593.32

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Solution

The fourth proportional to 154,576.52, 213,320.32 and 86,593.32 is: 119,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,576.52 : 213,320.32 = 86,593.32 : x
  2. Step 2: Convert to fraction form
    154,576.52/213,320.32 = 86,593.32/x
  3. Step 3: Cross multiply
    154,576.52x = 213,320.32 × 86,593.32
  4. Step 4: Simplify right side
    154,576.52x = 18,472,114,732.26
  5. Step 5: Solve for x
    x = 18,472,114,732.26/154,576.52
  6. Step 6: Final answer
    x = 119,501.43

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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.