Home / 208,276.47-312,365.93-58,531.05

Finding the Fourth Proportional to 208,276.47, 312,365.93 and 58,531.05

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Solution

The fourth proportional to 208,276.47, 312,365.93 and 58,531.05 is: 87,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,276.47 : 312,365.93 = 58,531.05 : x
  2. Step 2: Convert to fraction form
    208,276.47/312,365.93 = 58,531.05/x
  3. Step 3: Cross multiply
    208,276.47x = 312,365.93 × 58,531.05
  4. Step 4: Simplify right side
    208,276.47x = 18,283,105,574.47
  5. Step 5: Solve for x
    x = 18,283,105,574.47/208,276.47
  6. Step 6: Final answer
    x = 87,782.87

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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.