Home / 111,625.40-153,953.96-73,424.18

Finding the Fourth Proportional to 111,625.40, 153,953.96 and 73,424.18

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Solution

The fourth proportional to 111,625.40, 153,953.96 and 73,424.18 is: 101,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,625.40 : 153,953.96 = 73,424.18 : x
  2. Step 2: Convert to fraction form
    111,625.40/153,953.96 = 73,424.18/x
  3. Step 3: Cross multiply
    111,625.40x = 153,953.96 × 73,424.18
  4. Step 4: Simplify right side
    111,625.40x = 11,303,942,133.86
  5. Step 5: Solve for x
    x = 11,303,942,133.86/111,625.40
  6. Step 6: Final answer
    x = 101,266.76

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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.