Home / 119,160.45-164,444.30-65,446.65

Finding the Fourth Proportional to 119,160.45, 164,444.30 and 65,446.65

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Solution

The fourth proportional to 119,160.45, 164,444.30 and 65,446.65 is: 90,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,160.45 : 164,444.30 = 65,446.65 : x
  2. Step 2: Convert to fraction form
    119,160.45/164,444.30 = 65,446.65/x
  3. Step 3: Cross multiply
    119,160.45x = 164,444.30 × 65,446.65
  4. Step 4: Simplify right side
    119,160.45x = 10,762,328,219.36
  5. Step 5: Solve for x
    x = 10,762,328,219.36/119,160.45
  6. Step 6: Final answer
    x = 90,317.96

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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.