Home / 319,346.04-440,649.36-183,385.92

Finding the Fourth Proportional to 319,346.04, 440,649.36 and 183,385.92

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Solution

The fourth proportional to 319,346.04, 440,649.36 and 183,385.92 is: 253,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,346.04 : 440,649.36 = 183,385.92 : x
  2. Step 2: Convert to fraction form
    319,346.04/440,649.36 = 183,385.92/x
  3. Step 3: Cross multiply
    319,346.04x = 440,649.36 × 183,385.92
  4. Step 4: Simplify right side
    319,346.04x = 80,808,888,281.01
  5. Step 5: Solve for x
    x = 80,808,888,281.01/319,346.04
  6. Step 6: Final answer
    x = 253,044.90

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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.