Home / 157,005.56-216,662.90-89,028.74

Finding the Fourth Proportional to 157,005.56, 216,662.90 and 89,028.74

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Solution

The fourth proportional to 157,005.56, 216,662.90 and 89,028.74 is: 122,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,005.56 : 216,662.90 = 89,028.74 : x
  2. Step 2: Convert to fraction form
    157,005.56/216,662.90 = 89,028.74/x
  3. Step 3: Cross multiply
    157,005.56x = 216,662.90 × 89,028.74
  4. Step 4: Simplify right side
    157,005.56x = 19,289,224,991.75
  5. Step 5: Solve for x
    x = 19,289,224,991.75/157,005.56
  6. Step 6: Final answer
    x = 122,856.95

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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.