Home / 164,022.86-226,368.28-100,402.70

Finding the Fourth Proportional to 164,022.86, 226,368.28 and 100,402.70

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Solution

The fourth proportional to 164,022.86, 226,368.28 and 100,402.70 is: 138,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,022.86 : 226,368.28 = 100,402.70 : x
  2. Step 2: Convert to fraction form
    164,022.86/226,368.28 = 100,402.70/x
  3. Step 3: Cross multiply
    164,022.86x = 226,368.28 × 100,402.70
  4. Step 4: Simplify right side
    164,022.86x = 22,727,986,506.36
  5. Step 5: Solve for x
    x = 22,727,986,506.36/164,022.86
  6. Step 6: Final answer
    x = 138,565.97

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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.