Home / 317,631.84-438,332.82-174,401.16

Finding the Fourth Proportional to 317,631.84, 438,332.82 and 174,401.16

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Solution

The fourth proportional to 317,631.84, 438,332.82 and 174,401.16 is: 240,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,631.84 : 438,332.82 = 174,401.16 : x
  2. Step 2: Convert to fraction form
    317,631.84/438,332.82 = 174,401.16/x
  3. Step 3: Cross multiply
    317,631.84x = 438,332.82 × 174,401.16
  4. Step 4: Simplify right side
    317,631.84x = 76,445,752,274.07
  5. Step 5: Solve for x
    x = 76,445,752,274.07/317,631.84
  6. Step 6: Final answer
    x = 240,674.08

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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.