Home / 219,063.17-302,316.37-123,569.84

Finding the Fourth Proportional to 219,063.17, 302,316.37 and 123,569.84

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Solution

The fourth proportional to 219,063.17, 302,316.37 and 123,569.84 is: 170,531.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,063.17 : 302,316.37 = 123,569.84 : x
  2. Step 2: Convert to fraction form
    219,063.17/302,316.37 = 123,569.84/x
  3. Step 3: Cross multiply
    219,063.17x = 302,316.37 × 123,569.84
  4. Step 4: Simplify right side
    219,063.17x = 37,357,185,917.15
  5. Step 5: Solve for x
    x = 37,357,185,917.15/219,063.17
  6. Step 6: Final answer
    x = 170,531.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.