Home / 249,131.09-373,134.74-115,730.61

Finding the Fourth Proportional to 249,131.09, 373,134.74 and 115,730.61

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Solution

The fourth proportional to 249,131.09, 373,134.74 and 115,730.61 is: 173,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,131.09 : 373,134.74 = 115,730.61 : x
  2. Step 2: Convert to fraction form
    249,131.09/373,134.74 = 115,730.61/x
  3. Step 3: Cross multiply
    249,131.09x = 373,134.74 × 115,730.61
  4. Step 4: Simplify right side
    249,131.09x = 43,183,109,094.48
  5. Step 5: Solve for x
    x = 43,183,109,094.48/249,131.09
  6. Step 6: Final answer
    x = 173,334.88

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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.