Home / 134,178.47-185,168.18-73,754.69

Finding the Fourth Proportional to 134,178.47, 185,168.18 and 73,754.69

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Solution

The fourth proportional to 134,178.47, 185,168.18 and 73,754.69 is: 101,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,178.47 : 185,168.18 = 73,754.69 : x
  2. Step 2: Convert to fraction form
    134,178.47/185,168.18 = 73,754.69/x
  3. Step 3: Cross multiply
    134,178.47x = 185,168.18 × 73,754.69
  4. Step 4: Simplify right side
    134,178.47x = 13,657,022,361.07
  5. Step 5: Solve for x
    x = 13,657,022,361.07/134,178.47
  6. Step 6: Final answer
    x = 101,782.52

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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.