Home / 319,147.40-440,433.24-183,206.18

Finding the Fourth Proportional to 319,147.40, 440,433.24 and 183,206.18

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Solution

The fourth proportional to 319,147.40, 440,433.24 and 183,206.18 is: 252,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,147.40 : 440,433.24 = 183,206.18 : x
  2. Step 2: Convert to fraction form
    319,147.40/440,433.24 = 183,206.18/x
  3. Step 3: Cross multiply
    319,147.40x = 440,433.24 × 183,206.18
  4. Step 4: Simplify right side
    319,147.40x = 80,690,091,445.42
  5. Step 5: Solve for x
    x = 80,690,091,445.42/319,147.40
  6. Step 6: Final answer
    x = 252,830.17

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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.