Home / 119,184.48-178,776.72-30,438.18

Finding the Fourth Proportional to 119,184.48, 178,776.72 and 30,438.18

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Solution

The fourth proportional to 119,184.48, 178,776.72 and 30,438.18 is: 45,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,184.48 : 178,776.72 = 30,438.18 : x
  2. Step 2: Convert to fraction form
    119,184.48/178,776.72 = 30,438.18/x
  3. Step 3: Cross multiply
    119,184.48x = 178,776.72 × 30,438.18
  4. Step 4: Simplify right side
    119,184.48x = 5,441,637,983.17
  5. Step 5: Solve for x
    x = 5,441,637,983.17/119,184.48
  6. Step 6: Final answer
    x = 45,657.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.