Home / 151,368.13-208,894.49-84,300.13

Finding the Fourth Proportional to 151,368.13, 208,894.49 and 84,300.13

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Solution

The fourth proportional to 151,368.13, 208,894.49 and 84,300.13 is: 116,337.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,368.13 : 208,894.49 = 84,300.13 : x
  2. Step 2: Convert to fraction form
    151,368.13/208,894.49 = 84,300.13/x
  3. Step 3: Cross multiply
    151,368.13x = 208,894.49 × 84,300.13
  4. Step 4: Simplify right side
    151,368.13x = 17,609,832,663.28
  5. Step 5: Solve for x
    x = 17,609,832,663.28/151,368.13
  6. Step 6: Final answer
    x = 116,337.78

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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.