Home / 319,144.40-440,429.10-183,203.18

Finding the Fourth Proportional to 319,144.40, 440,429.10 and 183,203.18

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Solution

The fourth proportional to 319,144.40, 440,429.10 and 183,203.18 is: 252,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,144.40 : 440,429.10 = 183,203.18 : x
  2. Step 2: Convert to fraction form
    319,144.40/440,429.10 = 183,203.18/x
  3. Step 3: Cross multiply
    319,144.40x = 440,429.10 × 183,203.18
  4. Step 4: Simplify right side
    319,144.40x = 80,688,011,684.54
  5. Step 5: Solve for x
    x = 80,688,011,684.54/319,144.40
  6. Step 6: Final answer
    x = 252,826.03

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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.