Home / 160,541.65-240,814.82-76,310.45

Finding the Fourth Proportional to 160,541.65, 240,814.82 and 76,310.45

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Solution

The fourth proportional to 160,541.65, 240,814.82 and 76,310.45 is: 114,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,541.65 : 240,814.82 = 76,310.45 : x
  2. Step 2: Convert to fraction form
    160,541.65/240,814.82 = 76,310.45/x
  3. Step 3: Cross multiply
    160,541.65x = 240,814.82 × 76,310.45
  4. Step 4: Simplify right side
    160,541.65x = 18,376,688,525.21
  5. Step 5: Solve for x
    x = 18,376,688,525.21/160,541.65
  6. Step 6: Final answer
    x = 114,466.80

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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.