Home / 115,878.41-160,005.21-93,144.54

Finding the Fourth Proportional to 115,878.41, 160,005.21 and 93,144.54

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Solution

The fourth proportional to 115,878.41, 160,005.21 and 93,144.54 is: 128,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,878.41 : 160,005.21 = 93,144.54 : x
  2. Step 2: Convert to fraction form
    115,878.41/160,005.21 = 93,144.54/x
  3. Step 3: Cross multiply
    115,878.41x = 160,005.21 × 93,144.54
  4. Step 4: Simplify right side
    115,878.41x = 14,903,611,933.78
  5. Step 5: Solve for x
    x = 14,903,611,933.78/115,878.41
  6. Step 6: Final answer
    x = 128,614.23

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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.