Home / 101,653.43-140,282.56-56,332.18

Finding the Fourth Proportional to 101,653.43, 140,282.56 and 56,332.18

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Solution

The fourth proportional to 101,653.43, 140,282.56 and 56,332.18 is: 77,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,653.43 : 140,282.56 = 56,332.18 : x
  2. Step 2: Convert to fraction form
    101,653.43/140,282.56 = 56,332.18/x
  3. Step 3: Cross multiply
    101,653.43x = 140,282.56 × 56,332.18
  4. Step 4: Simplify right side
    101,653.43x = 7,902,422,420.78
  5. Step 5: Solve for x
    x = 7,902,422,420.78/101,653.43
  6. Step 6: Final answer
    x = 77,738.87

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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.