Home / 177,915.72-245,483.55-106,281.75

Finding the Fourth Proportional to 177,915.72, 245,483.55 and 106,281.75

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Solution

The fourth proportional to 177,915.72, 245,483.55 and 106,281.75 is: 146,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,915.72 : 245,483.55 = 106,281.75 : x
  2. Step 2: Convert to fraction form
    177,915.72/245,483.55 = 106,281.75/x
  3. Step 3: Cross multiply
    177,915.72x = 245,483.55 × 106,281.75
  4. Step 4: Simplify right side
    177,915.72x = 26,090,421,290.21
  5. Step 5: Solve for x
    x = 26,090,421,290.21/177,915.72
  6. Step 6: Final answer
    x = 146,644.83

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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.