Home / 164,479.12-226,985.61-99,926.38

Finding the Fourth Proportional to 164,479.12, 226,985.61 and 99,926.38

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Solution

The fourth proportional to 164,479.12, 226,985.61 and 99,926.38 is: 137,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,479.12 : 226,985.61 = 99,926.38 : x
  2. Step 2: Convert to fraction form
    164,479.12/226,985.61 = 99,926.38/x
  3. Step 3: Cross multiply
    164,479.12x = 226,985.61 × 99,926.38
  4. Step 4: Simplify right side
    164,479.12x = 22,681,850,319.39
  5. Step 5: Solve for x
    x = 22,681,850,319.39/164,479.12
  6. Step 6: Final answer
    x = 137,901.09

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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.