Home / 222,886.27-307,515.85-136,756.81

Finding the Fourth Proportional to 222,886.27, 307,515.85 and 136,756.81

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Solution

The fourth proportional to 222,886.27, 307,515.85 and 136,756.81 is: 188,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,886.27 : 307,515.85 = 136,756.81 : x
  2. Step 2: Convert to fraction form
    222,886.27/307,515.85 = 136,756.81/x
  3. Step 3: Cross multiply
    222,886.27x = 307,515.85 × 136,756.81
  4. Step 4: Simplify right side
    222,886.27x = 42,054,886,670.44
  5. Step 5: Solve for x
    x = 42,054,886,670.44/222,886.27
  6. Step 6: Final answer
    x = 188,683.16

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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.