Home / 101,600.07-140,206.60-56,277.91

Finding the Fourth Proportional to 101,600.07, 140,206.60 and 56,277.91

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Solution

The fourth proportional to 101,600.07, 140,206.60 and 56,277.91 is: 77,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,600.07 : 140,206.60 = 56,277.91 : x
  2. Step 2: Convert to fraction form
    101,600.07/140,206.60 = 56,277.91/x
  3. Step 3: Cross multiply
    101,600.07x = 140,206.60 × 56,277.91
  4. Step 4: Simplify right side
    101,600.07x = 7,890,534,416.21
  5. Step 5: Solve for x
    x = 7,890,534,416.21/101,600.07
  6. Step 6: Final answer
    x = 77,662.69

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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.