Home / 211,626.81-292,048.56-116,142.39

Finding the Fourth Proportional to 211,626.81, 292,048.56 and 116,142.39

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Solution

The fourth proportional to 211,626.81, 292,048.56 and 116,142.39 is: 160,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,626.81 : 292,048.56 = 116,142.39 : x
  2. Step 2: Convert to fraction form
    211,626.81/292,048.56 = 116,142.39/x
  3. Step 3: Cross multiply
    211,626.81x = 292,048.56 × 116,142.39
  4. Step 4: Simplify right side
    211,626.81x = 33,919,217,754.46
  5. Step 5: Solve for x
    x = 33,919,217,754.46/211,626.81
  6. Step 6: Final answer
    x = 160,278.45

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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.