Home / 318,005.20-438,825.92-174,762.16

Finding the Fourth Proportional to 318,005.20, 438,825.92 and 174,762.16

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Solution

The fourth proportional to 318,005.20, 438,825.92 and 174,762.16 is: 241,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,005.20 : 438,825.92 = 174,762.16 : x
  2. Step 2: Convert to fraction form
    318,005.20/438,825.92 = 174,762.16/x
  3. Step 3: Cross multiply
    318,005.20x = 438,825.92 × 174,762.16
  4. Step 4: Simplify right side
    318,005.20x = 76,690,165,643.19
  5. Step 5: Solve for x
    x = 76,690,165,643.19/318,005.20
  6. Step 6: Final answer
    x = 241,160.10

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1.5x scale

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.