Home / 119,207.80-164,433.78-70,776.86

Finding the Fourth Proportional to 119,207.80, 164,433.78 and 70,776.86

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Solution

The fourth proportional to 119,207.80, 164,433.78 and 70,776.86 is: 97,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,207.80 : 164,433.78 = 70,776.86 : x
  2. Step 2: Convert to fraction form
    119,207.80/164,433.78 = 70,776.86/x
  3. Step 3: Cross multiply
    119,207.80x = 164,433.78 × 70,776.86
  4. Step 4: Simplify right side
    119,207.80x = 11,638,105,804.16
  5. Step 5: Solve for x
    x = 11,638,105,804.16/119,207.80
  6. Step 6: Final answer
    x = 97,628.73

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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.