Home / 293,687.10-440,547.39-83,308.50

Finding the Fourth Proportional to 293,687.10, 440,547.39 and 83,308.50

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Solution

The fourth proportional to 293,687.10, 440,547.39 and 83,308.50 is: 124,967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,687.10 : 440,547.39 = 83,308.50 : x
  2. Step 2: Convert to fraction form
    293,687.10/440,547.39 = 83,308.50/x
  3. Step 3: Cross multiply
    293,687.10x = 440,547.39 × 83,308.50
  4. Step 4: Simplify right side
    293,687.10x = 36,701,342,239.82
  5. Step 5: Solve for x
    x = 36,701,342,239.82/293,687.10
  6. Step 6: Final answer
    x = 124,967.50

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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.