Home / 130,356.18-179,798.67-119,635.62

Finding the Fourth Proportional to 130,356.18, 179,798.67 and 119,635.62

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Solution

The fourth proportional to 130,356.18, 179,798.67 and 119,635.62 is: 165,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,356.18 : 179,798.67 = 119,635.62 : x
  2. Step 2: Convert to fraction form
    130,356.18/179,798.67 = 119,635.62/x
  3. Step 3: Cross multiply
    130,356.18x = 179,798.67 × 119,635.62
  4. Step 4: Simplify right side
    130,356.18x = 21,510,325,360.63
  5. Step 5: Solve for x
    x = 21,510,325,360.63/130,356.18
  6. Step 6: Final answer
    x = 165,011.93

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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.