Home / 134,222.24-201,322.86-78,026.51

Finding the Fourth Proportional to 134,222.24, 201,322.86 and 78,026.51

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Solution

The fourth proportional to 134,222.24, 201,322.86 and 78,026.51 is: 117,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,222.24 : 201,322.86 = 78,026.51 : x
  2. Step 2: Convert to fraction form
    134,222.24/201,322.86 = 78,026.51/x
  3. Step 3: Cross multiply
    134,222.24x = 201,322.86 × 78,026.51
  4. Step 4: Simplify right side
    134,222.24x = 15,708,519,142.40
  5. Step 5: Solve for x
    x = 15,708,519,142.40/134,222.24
  6. Step 6: Final answer
    x = 117,033.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.