Home / 476,889.48-715,445.02-139,916.52

Finding the Fourth Proportional to 476,889.48, 715,445.02 and 139,916.52

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Solution

The fourth proportional to 476,889.48, 715,445.02 and 139,916.52 is: 209,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,889.48 : 715,445.02 = 139,916.52 : x
  2. Step 2: Convert to fraction form
    476,889.48/715,445.02 = 139,916.52/x
  3. Step 3: Cross multiply
    476,889.48x = 715,445.02 × 139,916.52
  4. Step 4: Simplify right side
    476,889.48x = 100,102,577,449.73
  5. Step 5: Solve for x
    x = 100,102,577,449.73/476,889.48
  6. Step 6: Final answer
    x = 209,907.29

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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.