Home / 164,521.36-227,038.08-89,069.20

Finding the Fourth Proportional to 164,521.36, 227,038.08 and 89,069.20

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Solution

The fourth proportional to 164,521.36, 227,038.08 and 89,069.20 is: 122,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,521.36 : 227,038.08 = 89,069.20 : x
  2. Step 2: Convert to fraction form
    164,521.36/227,038.08 = 89,069.20/x
  3. Step 3: Cross multiply
    164,521.36x = 227,038.08 × 89,069.20
  4. Step 4: Simplify right side
    164,521.36x = 20,222,100,155.14
  5. Step 5: Solve for x
    x = 20,222,100,155.14/164,521.36
  6. Step 6: Final answer
    x = 122,914.74

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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.