Home / 317,433.04-438,064.20-174,184.72

Finding the Fourth Proportional to 317,433.04, 438,064.20 and 174,184.72

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Solution

The fourth proportional to 317,433.04, 438,064.20 and 174,184.72 is: 240,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,433.04 : 438,064.20 = 174,184.72 : x
  2. Step 2: Convert to fraction form
    317,433.04/438,064.20 = 174,184.72/x
  3. Step 3: Cross multiply
    317,433.04x = 438,064.20 × 174,184.72
  4. Step 4: Simplify right side
    317,433.04x = 76,304,090,019.02
  5. Step 5: Solve for x
    x = 76,304,090,019.02/317,433.04
  6. Step 6: Final answer
    x = 240,378.54

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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.