Home / 519,869.67-779,878.89-160,070.96

Finding the Fourth Proportional to 519,869.67, 779,878.89 and 160,070.96

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Solution

The fourth proportional to 519,869.67, 779,878.89 and 160,070.96 is: 240,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,869.67 : 779,878.89 = 160,070.96 : x
  2. Step 2: Convert to fraction form
    519,869.67/779,878.89 = 160,070.96/x
  3. Step 3: Cross multiply
    519,869.67x = 779,878.89 × 160,070.96
  4. Step 4: Simplify right side
    519,869.67x = 124,835,962,606.03
  5. Step 5: Solve for x
    x = 124,835,962,606.03/519,869.67
  6. Step 6: Final answer
    x = 240,129.34

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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.