Home / 177,685.78-245,182.74-114,109.72

Finding the Fourth Proportional to 177,685.78, 245,182.74 and 114,109.72

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Solution

The fourth proportional to 177,685.78, 245,182.74 and 114,109.72 is: 157,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,685.78 : 245,182.74 = 114,109.72 : x
  2. Step 2: Convert to fraction form
    177,685.78/245,182.74 = 114,109.72/x
  3. Step 3: Cross multiply
    177,685.78x = 245,182.74 × 114,109.72
  4. Step 4: Simplify right side
    177,685.78x = 27,977,733,810.23
  5. Step 5: Solve for x
    x = 27,977,733,810.23/177,685.78
  6. Step 6: Final answer
    x = 157,456.23

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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.