Home / 132,921.01-183,432.43-72,491.16

Finding the Fourth Proportional to 132,921.01, 183,432.43 and 72,491.16

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Solution

The fourth proportional to 132,921.01, 183,432.43 and 72,491.16 is: 100,038.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,921.01 : 183,432.43 = 72,491.16 : x
  2. Step 2: Convert to fraction form
    132,921.01/183,432.43 = 72,491.16/x
  3. Step 3: Cross multiply
    132,921.01x = 183,432.43 × 72,491.16
  4. Step 4: Simplify right side
    132,921.01x = 13,297,229,632.32
  5. Step 5: Solve for x
    x = 13,297,229,632.32/132,921.01
  6. Step 6: Final answer
    x = 100,038.58

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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.