Home / 105,967.08-146,237.28-58,221.66

Finding the Fourth Proportional to 105,967.08, 146,237.28 and 58,221.66

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Solution

The fourth proportional to 105,967.08, 146,237.28 and 58,221.66 is: 80,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,967.08 : 146,237.28 = 58,221.66 : x
  2. Step 2: Convert to fraction form
    105,967.08/146,237.28 = 58,221.66/x
  3. Step 3: Cross multiply
    105,967.08x = 146,237.28 × 58,221.66
  4. Step 4: Simplify right side
    105,967.08x = 8,514,177,195.48
  5. Step 5: Solve for x
    x = 8,514,177,195.48/105,967.08
  6. Step 6: Final answer
    x = 80,347.38

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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.