Home / 177,847.52-245,437.44-102,420.32

Finding the Fourth Proportional to 177,847.52, 245,437.44 and 102,420.32

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Solution

The fourth proportional to 177,847.52, 245,437.44 and 102,420.32 is: 141,344.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,847.52 : 245,437.44 = 102,420.32 : x
  2. Step 2: Convert to fraction form
    177,847.52/245,437.44 = 102,420.32/x
  3. Step 3: Cross multiply
    177,847.52x = 245,437.44 × 102,420.32
  4. Step 4: Simplify right side
    177,847.52x = 25,137,781,144.78
  5. Step 5: Solve for x
    x = 25,137,781,144.78/177,847.52
  6. Step 6: Final answer
    x = 141,344.57

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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.