Home / 101,560.12-140,151.24-56,237.13

Finding the Fourth Proportional to 101,560.12, 140,151.24 and 56,237.13

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Solution

The fourth proportional to 101,560.12, 140,151.24 and 56,237.13 is: 77,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,560.12 : 140,151.24 = 56,237.13 : x
  2. Step 2: Convert to fraction form
    101,560.12/140,151.24 = 56,237.13/x
  3. Step 3: Cross multiply
    101,560.12x = 140,151.24 × 56,237.13
  4. Step 4: Simplify right side
    101,560.12x = 7,881,702,977.97
  5. Step 5: Solve for x
    x = 7,881,702,977.97/101,560.12
  6. Step 6: Final answer
    x = 77,606.28

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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.