Home / 293,841.36-440,762.04-193,978.14

Finding the Fourth Proportional to 293,841.36, 440,762.04 and 193,978.14

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Solution

The fourth proportional to 293,841.36, 440,762.04 and 193,978.14 is: 290,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,841.36 : 440,762.04 = 193,978.14 : x
  2. Step 2: Convert to fraction form
    293,841.36/440,762.04 = 193,978.14/x
  3. Step 3: Cross multiply
    293,841.36x = 440,762.04 × 193,978.14
  4. Step 4: Simplify right side
    293,841.36x = 85,498,200,701.81
  5. Step 5: Solve for x
    x = 85,498,200,701.81/293,841.36
  6. Step 6: Final answer
    x = 290,967.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.