Home / 202,575.04-279,547.68-111,929.56

Finding the Fourth Proportional to 202,575.04, 279,547.68 and 111,929.56

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Solution

The fourth proportional to 202,575.04, 279,547.68 and 111,929.56 is: 154,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,575.04 : 279,547.68 = 111,929.56 : x
  2. Step 2: Convert to fraction form
    202,575.04/279,547.68 = 111,929.56/x
  3. Step 3: Cross multiply
    202,575.04x = 279,547.68 × 111,929.56
  4. Step 4: Simplify right side
    202,575.04x = 31,289,648,821.42
  5. Step 5: Solve for x
    x = 31,289,648,821.42/202,575.04
  6. Step 6: Final answer
    x = 154,459.55

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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.