Home / 208,132.84-312,257.58-83,561.32

Finding the Fourth Proportional to 208,132.84, 312,257.58 and 83,561.32

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Solution

The fourth proportional to 208,132.84, 312,257.58 and 83,561.32 is: 125,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,132.84 : 312,257.58 = 83,561.32 : x
  2. Step 2: Convert to fraction form
    208,132.84/312,257.58 = 83,561.32/x
  3. Step 3: Cross multiply
    208,132.84x = 312,257.58 × 83,561.32
  4. Step 4: Simplify right side
    208,132.84x = 26,092,655,564.81
  5. Step 5: Solve for x
    x = 26,092,655,564.81/208,132.84
  6. Step 6: Final answer
    x = 125,365.39

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1.5x scale

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.