Home / 319,303.36-440,668.20-183,355.12

Finding the Fourth Proportional to 319,303.36, 440,668.20 and 183,355.12

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Solution

The fourth proportional to 319,303.36, 440,668.20 and 183,355.12 is: 253,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,303.36 : 440,668.20 = 183,355.12 : x
  2. Step 2: Convert to fraction form
    319,303.36/440,668.20 = 183,355.12/x
  3. Step 3: Cross multiply
    319,303.36x = 440,668.20 × 183,355.12
  4. Step 4: Simplify right side
    319,303.36x = 80,798,770,691.18
  5. Step 5: Solve for x
    x = 80,798,770,691.18/319,303.36
  6. Step 6: Final answer
    x = 253,047.04

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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.