Home / 498,703.22-748,128.65-183,135.52

Finding the Fourth Proportional to 498,703.22, 748,128.65 and 183,135.52

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Solution

The fourth proportional to 498,703.22, 748,128.65 and 183,135.52 is: 274,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,703.22 : 748,128.65 = 183,135.52 : x
  2. Step 2: Convert to fraction form
    498,703.22/748,128.65 = 183,135.52/x
  3. Step 3: Cross multiply
    498,703.22x = 748,128.65 × 183,135.52
  4. Step 4: Simplify right side
    498,703.22x = 137,008,926,558.65
  5. Step 5: Solve for x
    x = 137,008,926,558.65/498,703.22
  6. Step 6: Final answer
    x = 274,730.39

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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.