Home / 147,557.28-203,117.16-111,684

Finding the Fourth Proportional to 147,557.28, 203,117.16 and 111,684

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Solution

The fourth proportional to 147,557.28, 203,117.16 and 111,684 is: 153,736.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,557.28 : 203,117.16 = 111,684 : x
  2. Step 2: Convert to fraction form
    147,557.28/203,117.16 = 111,684/x
  3. Step 3: Cross multiply
    147,557.28x = 203,117.16 × 111,684
  4. Step 4: Simplify right side
    147,557.28x = 22,684,936,897.44
  5. Step 5: Solve for x
    x = 22,684,936,897.44/147,557.28
  6. Step 6: Final answer
    x = 153,736.48

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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.