Home / 155,653.07-214,816.50-91,118.41

Finding the Fourth Proportional to 155,653.07, 214,816.50 and 91,118.41

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Solution

The fourth proportional to 155,653.07, 214,816.50 and 91,118.41 is: 125,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,653.07 : 214,816.50 = 91,118.41 : x
  2. Step 2: Convert to fraction form
    155,653.07/214,816.50 = 91,118.41/x
  3. Step 3: Cross multiply
    155,653.07x = 214,816.50 × 91,118.41
  4. Step 4: Simplify right side
    155,653.07x = 19,573,737,384.72
  5. Step 5: Solve for x
    x = 19,573,737,384.72/155,653.07
  6. Step 6: Final answer
    x = 125,752.34

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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.