Home / 190,709.13-286,055.27-57,585.30

Finding the Fourth Proportional to 190,709.13, 286,055.27 and 57,585.30

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Solution

The fourth proportional to 190,709.13, 286,055.27 and 57,585.30 is: 86,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,709.13 : 286,055.27 = 57,585.30 : x
  2. Step 2: Convert to fraction form
    190,709.13/286,055.27 = 57,585.30/x
  3. Step 3: Cross multiply
    190,709.13x = 286,055.27 × 57,585.30
  4. Step 4: Simplify right side
    190,709.13x = 16,472,579,970.39
  5. Step 5: Solve for x
    x = 16,472,579,970.39/190,709.13
  6. Step 6: Final answer
    x = 86,375.41

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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.