Home / 117,136.83-175,703.67-28,391.10

Finding the Fourth Proportional to 117,136.83, 175,703.67 and 28,391.10

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Solution

The fourth proportional to 117,136.83, 175,703.67 and 28,391.10 is: 42,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,136.83 : 175,703.67 = 28,391.10 : x
  2. Step 2: Convert to fraction form
    117,136.83/175,703.67 = 28,391.10/x
  3. Step 3: Cross multiply
    117,136.83x = 175,703.67 × 28,391.10
  4. Step 4: Simplify right side
    117,136.83x = 4,988,420,465.34
  5. Step 5: Solve for x
    x = 4,988,420,465.34/117,136.83
  6. Step 6: Final answer
    x = 42,586.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.