Home / 159,511.65-220,141.59-119,155.35

Finding the Fourth Proportional to 159,511.65, 220,141.59 and 119,155.35

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Solution

The fourth proportional to 159,511.65, 220,141.59 and 119,155.35 is: 164,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,511.65 : 220,141.59 = 119,155.35 : x
  2. Step 2: Convert to fraction form
    159,511.65/220,141.59 = 119,155.35/x
  3. Step 3: Cross multiply
    159,511.65x = 220,141.59 × 119,155.35
  4. Step 4: Simplify right side
    159,511.65x = 26,231,048,206.01
  5. Step 5: Solve for x
    x = 26,231,048,206.01/159,511.65
  6. Step 6: Final answer
    x = 164,445.97

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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.