Home / 147,543.09-221,324.40-42,362.97

Finding the Fourth Proportional to 147,543.09, 221,324.40 and 42,362.97

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Solution

The fourth proportional to 147,543.09, 221,324.40 and 42,362.97 is: 63,547.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,543.09 : 221,324.40 = 42,362.97 : x
  2. Step 2: Convert to fraction form
    147,543.09/221,324.40 = 42,362.97/x
  3. Step 3: Cross multiply
    147,543.09x = 221,324.40 × 42,362.97
  4. Step 4: Simplify right side
    147,543.09x = 9,375,958,917.47
  5. Step 5: Solve for x
    x = 9,375,958,917.47/147,543.09
  6. Step 6: Final answer
    x = 63,547.26

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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.