Home / 186,482.22-257,336.52-105,899.10

Finding the Fourth Proportional to 186,482.22, 257,336.52 and 105,899.10

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Solution

The fourth proportional to 186,482.22, 257,336.52 and 105,899.10 is: 146,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,482.22 : 257,336.52 = 105,899.10 : x
  2. Step 2: Convert to fraction form
    186,482.22/257,336.52 = 105,899.10/x
  3. Step 3: Cross multiply
    186,482.22x = 257,336.52 × 105,899.10
  4. Step 4: Simplify right side
    186,482.22x = 27,251,705,865.13
  5. Step 5: Solve for x
    x = 27,251,705,865.13/186,482.22
  6. Step 6: Final answer
    x = 146,135.68

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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.