Home / 147,117.39-203,136.03-113,071.47

Finding the Fourth Proportional to 147,117.39, 203,136.03 and 113,071.47

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Solution

The fourth proportional to 147,117.39, 203,136.03 and 113,071.47 is: 156,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,117.39 : 203,136.03 = 113,071.47 : x
  2. Step 2: Convert to fraction form
    147,117.39/203,136.03 = 113,071.47/x
  3. Step 3: Cross multiply
    147,117.39x = 203,136.03 × 113,071.47
  4. Step 4: Simplify right side
    147,117.39x = 22,968,889,522.06
  5. Step 5: Solve for x
    x = 22,968,889,522.06/147,117.39
  6. Step 6: Final answer
    x = 156,126.27

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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.