Home / 157,005.04-216,662.32-89,028.22

Finding the Fourth Proportional to 157,005.04, 216,662.32 and 89,028.22

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Solution

The fourth proportional to 157,005.04, 216,662.32 and 89,028.22 is: 122,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,005.04 : 216,662.32 = 89,028.22 : x
  2. Step 2: Convert to fraction form
    157,005.04/216,662.32 = 89,028.22/x
  3. Step 3: Cross multiply
    157,005.04x = 216,662.32 × 89,028.22
  4. Step 4: Simplify right side
    157,005.04x = 19,289,060,260.30
  5. Step 5: Solve for x
    x = 19,289,060,260.30/157,005.04
  6. Step 6: Final answer
    x = 122,856.31

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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.