Home / 190,689.46-286,080.44-57,561.76

Finding the Fourth Proportional to 190,689.46, 286,080.44 and 57,561.76

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Solution

The fourth proportional to 190,689.46, 286,080.44 and 57,561.76 is: 86,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,689.46 : 286,080.44 = 57,561.76 : x
  2. Step 2: Convert to fraction form
    190,689.46/286,080.44 = 57,561.76/x
  3. Step 3: Cross multiply
    190,689.46x = 286,080.44 × 57,561.76
  4. Step 4: Simplify right side
    190,689.46x = 16,467,293,913.62
  5. Step 5: Solve for x
    x = 16,467,293,913.62/190,689.46
  6. Step 6: Final answer
    x = 86,356.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.