Home / 343,240.02-514,502.60-115,366.48

Finding the Fourth Proportional to 343,240.02, 514,502.60 and 115,366.48

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Solution

The fourth proportional to 343,240.02, 514,502.60 and 115,366.48 is: 172,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,240.02 : 514,502.60 = 115,366.48 : x
  2. Step 2: Convert to fraction form
    343,240.02/514,502.60 = 115,366.48/x
  3. Step 3: Cross multiply
    343,240.02x = 514,502.60 × 115,366.48
  4. Step 4: Simplify right side
    343,240.02x = 59,356,352,049.76
  5. Step 5: Solve for x
    x = 59,356,352,049.76/343,240.02
  6. Step 6: Final answer
    x = 172,929.58

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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.