Home / 147,293.29-203,270.61-83,637.01

Finding the Fourth Proportional to 147,293.29, 203,270.61 and 83,637.01

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Solution

The fourth proportional to 147,293.29, 203,270.61 and 83,637.01 is: 115,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,293.29 : 203,270.61 = 83,637.01 : x
  2. Step 2: Convert to fraction form
    147,293.29/203,270.61 = 83,637.01/x
  3. Step 3: Cross multiply
    147,293.29x = 203,270.61 × 83,637.01
  4. Step 4: Simplify right side
    147,293.29x = 17,000,946,041.28
  5. Step 5: Solve for x
    x = 17,000,946,041.28/147,293.29
  6. Step 6: Final answer
    x = 115,422.41

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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.