Home / 194,547.90-291,821.85-111,450.30

Finding the Fourth Proportional to 194,547.90, 291,821.85 and 111,450.30

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Solution

The fourth proportional to 194,547.90, 291,821.85 and 111,450.30 is: 167,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,547.90 : 291,821.85 = 111,450.30 : x
  2. Step 2: Convert to fraction form
    194,547.90/291,821.85 = 111,450.30/x
  3. Step 3: Cross multiply
    194,547.90x = 291,821.85 × 111,450.30
  4. Step 4: Simplify right side
    194,547.90x = 32,523,632,729.06
  5. Step 5: Solve for x
    x = 32,523,632,729.06/194,547.90
  6. Step 6: Final answer
    x = 167,175.45

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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.