Home / 176,667.45-243,778.90-119,431.28

Finding the Fourth Proportional to 176,667.45, 243,778.90 and 119,431.28

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Solution

The fourth proportional to 176,667.45, 243,778.90 and 119,431.28 is: 164,800.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,667.45 : 243,778.90 = 119,431.28 : x
  2. Step 2: Convert to fraction form
    176,667.45/243,778.90 = 119,431.28/x
  3. Step 3: Cross multiply
    176,667.45x = 243,778.90 × 119,431.28
  4. Step 4: Simplify right side
    176,667.45x = 29,114,826,063.99
  5. Step 5: Solve for x
    x = 29,114,826,063.99/176,667.45
  6. Step 6: Final answer
    x = 164,800.17

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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.