Home / 101,508.02-140,077.48-56,186.09

Finding the Fourth Proportional to 101,508.02, 140,077.48 and 56,186.09

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Solution

The fourth proportional to 101,508.02, 140,077.48 and 56,186.09 is: 77,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,508.02 : 140,077.48 = 56,186.09 : x
  2. Step 2: Convert to fraction form
    101,508.02/140,077.48 = 56,186.09/x
  3. Step 3: Cross multiply
    101,508.02x = 140,077.48 × 56,186.09
  4. Step 4: Simplify right side
    101,508.02x = 7,870,405,898.25
  5. Step 5: Solve for x
    x = 7,870,405,898.25/101,508.02
  6. Step 6: Final answer
    x = 77,534.82

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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.