Home / 163,990.55-226,307.76-92,371.70

Finding the Fourth Proportional to 163,990.55, 226,307.76 and 92,371.70

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Solution

The fourth proportional to 163,990.55, 226,307.76 and 92,371.70 is: 127,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,990.55 : 226,307.76 = 92,371.70 : x
  2. Step 2: Convert to fraction form
    163,990.55/226,307.76 = 92,371.70/x
  3. Step 3: Cross multiply
    163,990.55x = 226,307.76 × 92,371.70
  4. Step 4: Simplify right side
    163,990.55x = 20,904,432,733.77
  5. Step 5: Solve for x
    x = 20,904,432,733.77/163,990.55
  6. Step 6: Final answer
    x = 127,473.40

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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.