Home / 177,702.41-245,228.96-101,221.47

Finding the Fourth Proportional to 177,702.41, 245,228.96 and 101,221.47

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Solution

The fourth proportional to 177,702.41, 245,228.96 and 101,221.47 is: 139,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,702.41 : 245,228.96 = 101,221.47 : x
  2. Step 2: Convert to fraction form
    177,702.41/245,228.96 = 101,221.47/x
  3. Step 3: Cross multiply
    177,702.41x = 245,228.96 × 101,221.47
  4. Step 4: Simplify right side
    177,702.41x = 24,822,436,070.82
  5. Step 5: Solve for x
    x = 24,822,436,070.82/177,702.41
  6. Step 6: Final answer
    x = 139,685.43

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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.