Home / 177,792.72-245,354.04-101,309.64

Finding the Fourth Proportional to 177,792.72, 245,354.04 and 101,309.64

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Solution

The fourth proportional to 177,792.72, 245,354.04 and 101,309.64 is: 139,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,792.72 : 245,354.04 = 101,309.64 : x
  2. Step 2: Convert to fraction form
    177,792.72/245,354.04 = 101,309.64/x
  3. Step 3: Cross multiply
    177,792.72x = 245,354.04 × 101,309.64
  4. Step 4: Simplify right side
    177,792.72x = 24,856,729,464.95
  5. Step 5: Solve for x
    x = 24,856,729,464.95/177,792.72
  6. Step 6: Final answer
    x = 139,807.35

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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.