Home / 166,853.39-230,256.28-90,370.71

Finding the Fourth Proportional to 166,853.39, 230,256.28 and 90,370.71

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Solution

The fourth proportional to 166,853.39, 230,256.28 and 90,370.71 is: 124,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,853.39 : 230,256.28 = 90,370.71 : x
  2. Step 2: Convert to fraction form
    166,853.39/230,256.28 = 90,370.71/x
  3. Step 3: Cross multiply
    166,853.39x = 230,256.28 × 90,370.71
  4. Step 4: Simplify right side
    166,853.39x = 20,808,423,186.79
  5. Step 5: Solve for x
    x = 20,808,423,186.79/166,853.39
  6. Step 6: Final answer
    x = 124,710.82

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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.