Home / 552,515.10-828,690.63-153,114.23

Finding the Fourth Proportional to 552,515.10, 828,690.63 and 153,114.23

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Solution

The fourth proportional to 552,515.10, 828,690.63 and 153,114.23 is: 229,648.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,515.10 : 828,690.63 = 153,114.23 : x
  2. Step 2: Convert to fraction form
    552,515.10/828,690.63 = 153,114.23/x
  3. Step 3: Cross multiply
    552,515.10x = 828,690.63 × 153,114.23
  4. Step 4: Simplify right side
    552,515.10x = 126,884,327,720.67
  5. Step 5: Solve for x
    x = 126,884,327,720.67/552,515.10
  6. Step 6: Final answer
    x = 229,648.62

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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.