Home / 282,172.23-423,253.89-113,688.59

Finding the Fourth Proportional to 282,172.23, 423,253.89 and 113,688.59

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Solution

The fourth proportional to 282,172.23, 423,253.89 and 113,688.59 is: 170,531.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,172.23 : 423,253.89 = 113,688.59 : x
  2. Step 2: Convert to fraction form
    282,172.23/423,253.89 = 113,688.59/x
  3. Step 3: Cross multiply
    282,172.23x = 423,253.89 × 113,688.59
  4. Step 4: Simplify right side
    282,172.23x = 48,119,135,849.85
  5. Step 5: Solve for x
    x = 48,119,135,849.85/282,172.23
  6. Step 6: Final answer
    x = 170,531.08

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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.