Home / 193,141.81-266,536.29-107,106.85

Finding the Fourth Proportional to 193,141.81, 266,536.29 and 107,106.85

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Solution

The fourth proportional to 193,141.81, 266,536.29 and 107,106.85 is: 147,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,141.81 : 266,536.29 = 107,106.85 : x
  2. Step 2: Convert to fraction form
    193,141.81/266,536.29 = 107,106.85/x
  3. Step 3: Cross multiply
    193,141.81x = 266,536.29 × 107,106.85
  4. Step 4: Simplify right side
    193,141.81x = 28,547,862,432.59
  5. Step 5: Solve for x
    x = 28,547,862,432.59/193,141.81
  6. Step 6: Final answer
    x = 147,807.78

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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.