Home / 179,078.38-247,230.43-118,730.85

Finding the Fourth Proportional to 179,078.38, 247,230.43 and 118,730.85

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Solution

The fourth proportional to 179,078.38, 247,230.43 and 118,730.85 is: 163,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,078.38 : 247,230.43 = 118,730.85 : x
  2. Step 2: Convert to fraction form
    179,078.38/247,230.43 = 118,730.85/x
  3. Step 3: Cross multiply
    179,078.38x = 247,230.43 × 118,730.85
  4. Step 4: Simplify right side
    179,078.38x = 29,353,877,875.82
  5. Step 5: Solve for x
    x = 29,353,877,875.82/179,078.38
  6. Step 6: Final answer
    x = 163,916.37

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1.5x scale

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.