Home / 317,632.10-438,333.16-174,401.42

Finding the Fourth Proportional to 317,632.10, 438,333.16 and 174,401.42

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Solution

The fourth proportional to 317,632.10, 438,333.16 and 174,401.42 is: 240,674.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,632.10 : 438,333.16 = 174,401.42 : x
  2. Step 2: Convert to fraction form
    317,632.10/438,333.16 = 174,401.42/x
  3. Step 3: Cross multiply
    317,632.10x = 438,333.16 × 174,401.42
  4. Step 4: Simplify right side
    317,632.10x = 76,445,925,537.09
  5. Step 5: Solve for x
    x = 76,445,925,537.09/317,632.10
  6. Step 6: Final answer
    x = 240,674.43

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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.