Home / 160,421.82-240,869.29-89,483.06

Finding the Fourth Proportional to 160,421.82, 240,869.29 and 89,483.06

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Solution

The fourth proportional to 160,421.82, 240,869.29 and 89,483.06 is: 134,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,421.82 : 240,869.29 = 89,483.06 : x
  2. Step 2: Convert to fraction form
    160,421.82/240,869.29 = 89,483.06/x
  3. Step 3: Cross multiply
    160,421.82x = 240,869.29 × 89,483.06
  4. Step 4: Simplify right side
    160,421.82x = 21,553,721,507.69
  5. Step 5: Solve for x
    x = 21,553,721,507.69/160,421.82
  6. Step 6: Final answer
    x = 134,356.54

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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.