Home / 177,816.33-245,475.77-137,438.91

Finding the Fourth Proportional to 177,816.33, 245,475.77 and 137,438.91

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Solution

The fourth proportional to 177,816.33, 245,475.77 and 137,438.91 is: 189,734.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,816.33 : 245,475.77 = 137,438.91 : x
  2. Step 2: Convert to fraction form
    177,816.33/245,475.77 = 137,438.91/x
  3. Step 3: Cross multiply
    177,816.33x = 245,475.77 × 137,438.91
  4. Step 4: Simplify right side
    177,816.33x = 33,737,921,573.02
  5. Step 5: Solve for x
    x = 33,737,921,573.02/177,816.33
  6. Step 6: Final answer
    x = 189,734.66

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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.