Home / 158,973.14-219,382.70-87,353.04

Finding the Fourth Proportional to 158,973.14, 219,382.70 and 87,353.04

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Solution

The fourth proportional to 158,973.14, 219,382.70 and 87,353.04 is: 120,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,973.14 : 219,382.70 = 87,353.04 : x
  2. Step 2: Convert to fraction form
    158,973.14/219,382.70 = 87,353.04/x
  3. Step 3: Cross multiply
    158,973.14x = 219,382.70 × 87,353.04
  4. Step 4: Simplify right side
    158,973.14x = 19,163,745,768.41
  5. Step 5: Solve for x
    x = 19,163,745,768.41/158,973.14
  6. Step 6: Final answer
    x = 120,547.07

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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.