Home / 151,916.52-209,646.98-83,935.06

Finding the Fourth Proportional to 151,916.52, 209,646.98 and 83,935.06

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Solution

The fourth proportional to 151,916.52, 209,646.98 and 83,935.06 is: 115,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,916.52 : 209,646.98 = 83,935.06 : x
  2. Step 2: Convert to fraction form
    151,916.52/209,646.98 = 83,935.06/x
  3. Step 3: Cross multiply
    151,916.52x = 209,646.98 × 83,935.06
  4. Step 4: Simplify right side
    151,916.52x = 17,596,731,845.12
  5. Step 5: Solve for x
    x = 17,596,731,845.12/151,916.52
  6. Step 6: Final answer
    x = 115,831.59

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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.