Home / 190,942.10-286,376.24-181,458.72

Finding the Fourth Proportional to 190,942.10, 286,376.24 and 181,458.72

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Solution

The fourth proportional to 190,942.10, 286,376.24 and 181,458.72 is: 272,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,942.10 : 286,376.24 = 181,458.72 : x
  2. Step 2: Convert to fraction form
    190,942.10/286,376.24 = 181,458.72/x
  3. Step 3: Cross multiply
    190,942.10x = 286,376.24 × 181,458.72
  4. Step 4: Simplify right side
    190,942.10x = 51,965,465,041.52
  5. Step 5: Solve for x
    x = 51,965,465,041.52/190,942.10
  6. Step 6: Final answer
    x = 272,153.01

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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.