Home / 230,106.11-317,462.15-139,396.64

Finding the Fourth Proportional to 230,106.11, 317,462.15 and 139,396.64

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Solution

The fourth proportional to 230,106.11, 317,462.15 and 139,396.64 is: 192,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,106.11 : 317,462.15 = 139,396.64 : x
  2. Step 2: Convert to fraction form
    230,106.11/317,462.15 = 139,396.64/x
  3. Step 3: Cross multiply
    230,106.11x = 317,462.15 × 139,396.64
  4. Step 4: Simplify right side
    230,106.11x = 44,253,155,798.36
  5. Step 5: Solve for x
    x = 44,253,155,798.36/230,106.11
  6. Step 6: Final answer
    x = 192,316.30

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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.