Home / 134,472.77-201,708.95-40,978.52

Finding the Fourth Proportional to 134,472.77, 201,708.95 and 40,978.52

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Solution

The fourth proportional to 134,472.77, 201,708.95 and 40,978.52 is: 61,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,472.77 : 201,708.95 = 40,978.52 : x
  2. Step 2: Convert to fraction form
    134,472.77/201,708.95 = 40,978.52/x
  3. Step 3: Cross multiply
    134,472.77x = 201,708.95 × 40,978.52
  4. Step 4: Simplify right side
    134,472.77x = 8,265,733,028.32
  5. Step 5: Solve for x
    x = 8,265,733,028.32/134,472.77
  6. Step 6: Final answer
    x = 61,467.71

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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.