Home / 612,851.02-919,276.71-192,159.70

Finding the Fourth Proportional to 612,851.02, 919,276.71 and 192,159.70

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Solution

The fourth proportional to 612,851.02, 919,276.71 and 192,159.70 is: 288,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,851.02 : 919,276.71 = 192,159.70 : x
  2. Step 2: Convert to fraction form
    612,851.02/919,276.71 = 192,159.70/x
  3. Step 3: Cross multiply
    612,851.02x = 919,276.71 × 192,159.70
  4. Step 4: Simplify right side
    612,851.02x = 176,647,936,810.59
  5. Step 5: Solve for x
    x = 176,647,936,810.59/612,851.02
  6. Step 6: Final answer
    x = 288,239.61

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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.