Home / 356,741.18-535,140.89-179,156.86

Finding the Fourth Proportional to 356,741.18, 535,140.89 and 179,156.86

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Solution

The fourth proportional to 356,741.18, 535,140.89 and 179,156.86 is: 268,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,741.18 : 535,140.89 = 179,156.86 : x
  2. Step 2: Convert to fraction form
    356,741.18/535,140.89 = 179,156.86/x
  3. Step 3: Cross multiply
    356,741.18x = 535,140.89 × 179,156.86
  4. Step 4: Simplify right side
    356,741.18x = 95,874,161,510.01
  5. Step 5: Solve for x
    x = 95,874,161,510.01/356,741.18
  6. Step 6: Final answer
    x = 268,749.91

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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.