Home / 286,833.06-430,445.61-99,844.56

Finding the Fourth Proportional to 286,833.06, 430,445.61 and 99,844.56

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Solution

The fourth proportional to 286,833.06, 430,445.61 and 99,844.56 is: 149,835.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,833.06 : 430,445.61 = 99,844.56 : x
  2. Step 2: Convert to fraction form
    286,833.06/430,445.61 = 99,844.56/x
  3. Step 3: Cross multiply
    286,833.06x = 430,445.61 × 99,844.56
  4. Step 4: Simplify right side
    286,833.06x = 42,977,652,534.38
  5. Step 5: Solve for x
    x = 42,977,652,534.38/286,833.06
  6. Step 6: Final answer
    x = 149,835.07

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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.