Home / 134,541.04-185,674.62-77,179.98

Finding the Fourth Proportional to 134,541.04, 185,674.62 and 77,179.98

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Solution

The fourth proportional to 134,541.04, 185,674.62 and 77,179.98 is: 106,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,541.04 : 185,674.62 = 77,179.98 : x
  2. Step 2: Convert to fraction form
    134,541.04/185,674.62 = 77,179.98/x
  3. Step 3: Cross multiply
    134,541.04x = 185,674.62 × 77,179.98
  4. Step 4: Simplify right side
    134,541.04x = 14,330,363,458.11
  5. Step 5: Solve for x
    x = 14,330,363,458.11/134,541.04
  6. Step 6: Final answer
    x = 106,512.95

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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.