Home / 257,746.14-386,385.93-91,495.26

Finding the Fourth Proportional to 257,746.14, 386,385.93 and 91,495.26

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Solution

The fourth proportional to 257,746.14, 386,385.93 and 91,495.26 is: 137,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,746.14 : 386,385.93 = 91,495.26 : x
  2. Step 2: Convert to fraction form
    257,746.14/386,385.93 = 91,495.26/x
  3. Step 3: Cross multiply
    257,746.14x = 386,385.93 × 91,495.26
  4. Step 4: Simplify right side
    257,746.14x = 35,352,481,125.69
  5. Step 5: Solve for x
    x = 35,352,481,125.69/257,746.14
  6. Step 6: Final answer
    x = 137,160.08

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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.