Home / 119,207.30-164,433.09-70,776.36

Finding the Fourth Proportional to 119,207.30, 164,433.09 and 70,776.36

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Solution

The fourth proportional to 119,207.30, 164,433.09 and 70,776.36 is: 97,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,207.30 : 164,433.09 = 70,776.36 : x
  2. Step 2: Convert to fraction form
    119,207.30/164,433.09 = 70,776.36/x
  3. Step 3: Cross multiply
    119,207.30x = 164,433.09 × 70,776.36
  4. Step 4: Simplify right side
    119,207.30x = 11,637,974,978.58
  5. Step 5: Solve for x
    x = 11,637,974,978.58/119,207.30
  6. Step 6: Final answer
    x = 97,628.04

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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.