Home / 101,566.35-140,159.83-56,243.36

Finding the Fourth Proportional to 101,566.35, 140,159.83 and 56,243.36

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Solution

The fourth proportional to 101,566.35, 140,159.83 and 56,243.36 is: 77,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,566.35 : 140,159.83 = 56,243.36 : x
  2. Step 2: Convert to fraction form
    101,566.35/140,159.83 = 56,243.36/x
  3. Step 3: Cross multiply
    101,566.35x = 140,159.83 × 56,243.36
  4. Step 4: Simplify right side
    101,566.35x = 7,883,058,934.82
  5. Step 5: Solve for x
    x = 7,883,058,934.82/101,566.35
  6. Step 6: Final answer
    x = 77,614.87

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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.