Home / 234,987.08-324,288.05-127,557.11

Finding the Fourth Proportional to 234,987.08, 324,288.05 and 127,557.11

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Solution

The fourth proportional to 234,987.08, 324,288.05 and 127,557.11 is: 176,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,987.08 : 324,288.05 = 127,557.11 : x
  2. Step 2: Convert to fraction form
    234,987.08/324,288.05 = 127,557.11/x
  3. Step 3: Cross multiply
    234,987.08x = 324,288.05 × 127,557.11
  4. Step 4: Simplify right side
    234,987.08x = 41,365,247,355.98
  5. Step 5: Solve for x
    x = 41,365,247,355.98/234,987.08
  6. Step 6: Final answer
    x = 176,032.01

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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.