Home / 212,053.76-292,641.68-116,569.28

Finding the Fourth Proportional to 212,053.76, 292,641.68 and 116,569.28

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Solution

The fourth proportional to 212,053.76, 292,641.68 and 116,569.28 is: 160,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,053.76 : 292,641.68 = 116,569.28 : x
  2. Step 2: Convert to fraction form
    212,053.76/292,641.68 = 116,569.28/x
  3. Step 3: Cross multiply
    212,053.76x = 292,641.68 × 116,569.28
  4. Step 4: Simplify right side
    212,053.76x = 34,113,029,935.59
  5. Step 5: Solve for x
    x = 34,113,029,935.59/212,053.76
  6. Step 6: Final answer
    x = 160,869.72

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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.