Home / 209,683.34-314,051.83-97,127.09

Finding the Fourth Proportional to 209,683.34, 314,051.83 and 97,127.09

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Solution

The fourth proportional to 209,683.34, 314,051.83 and 97,127.09 is: 145,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,683.34 : 314,051.83 = 97,127.09 : x
  2. Step 2: Convert to fraction form
    209,683.34/314,051.83 = 97,127.09/x
  3. Step 3: Cross multiply
    209,683.34x = 314,051.83 × 97,127.09
  4. Step 4: Simplify right side
    209,683.34x = 30,502,940,357.07
  5. Step 5: Solve for x
    x = 30,502,940,357.07/209,683.34
  6. Step 6: Final answer
    x = 145,471.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.