Home / 134,529-185,650.02-77,973.18

Finding the Fourth Proportional to 134,529, 185,650.02 and 77,973.18

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Solution

The fourth proportional to 134,529, 185,650.02 and 77,973.18 is: 107,602.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,529 : 185,650.02 = 77,973.18 : x
  2. Step 2: Convert to fraction form
    134,529/185,650.02 = 77,973.18/x
  3. Step 3: Cross multiply
    134,529x = 185,650.02 × 77,973.18
  4. Step 4: Simplify right side
    134,529x = 14,475,722,426.46
  5. Step 5: Solve for x
    x = 14,475,722,426.46/134,529
  6. Step 6: Final answer
    x = 107,602.99

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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.