Home / 154,042.02-212,578.63-84,192.73

Finding the Fourth Proportional to 154,042.02, 212,578.63 and 84,192.73

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Solution

The fourth proportional to 154,042.02, 212,578.63 and 84,192.73 is: 116,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,042.02 : 212,578.63 = 84,192.73 : x
  2. Step 2: Convert to fraction form
    154,042.02/212,578.63 = 84,192.73/x
  3. Step 3: Cross multiply
    154,042.02x = 212,578.63 × 84,192.73
  4. Step 4: Simplify right side
    154,042.02x = 17,897,575,199.36
  5. Step 5: Solve for x
    x = 17,897,575,199.36/154,042.02
  6. Step 6: Final answer
    x = 116,186.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.