Home / 176,299.54-243,126.57-115,763.38

Finding the Fourth Proportional to 176,299.54, 243,126.57 and 115,763.38

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Solution

The fourth proportional to 176,299.54, 243,126.57 and 115,763.38 is: 159,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,299.54 : 243,126.57 = 115,763.38 : x
  2. Step 2: Convert to fraction form
    176,299.54/243,126.57 = 115,763.38/x
  3. Step 3: Cross multiply
    176,299.54x = 243,126.57 × 115,763.38
  4. Step 4: Simplify right side
    176,299.54x = 28,145,153,511.01
  5. Step 5: Solve for x
    x = 28,145,153,511.01/176,299.54
  6. Step 6: Final answer
    x = 159,643.94

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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.