Home / 119,155.36-164,437.26-64,709.80

Finding the Fourth Proportional to 119,155.36, 164,437.26 and 64,709.80

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Solution

The fourth proportional to 119,155.36, 164,437.26 and 64,709.80 is: 89,301.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,155.36 : 164,437.26 = 64,709.80 : x
  2. Step 2: Convert to fraction form
    119,155.36/164,437.26 = 64,709.80/x
  3. Step 3: Cross multiply
    119,155.36x = 164,437.26 × 64,709.80
  4. Step 4: Simplify right side
    119,155.36x = 10,640,702,207.15
  5. Step 5: Solve for x
    x = 10,640,702,207.15/119,155.36
  6. Step 6: Final answer
    x = 89,301.08

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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.