Home / 192,510.86-265,387.10-131,985.63

Finding the Fourth Proportional to 192,510.86, 265,387.10 and 131,985.63

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Solution

The fourth proportional to 192,510.86, 265,387.10 and 131,985.63 is: 181,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,510.86 : 265,387.10 = 131,985.63 : x
  2. Step 2: Convert to fraction form
    192,510.86/265,387.10 = 131,985.63/x
  3. Step 3: Cross multiply
    192,510.86x = 265,387.10 × 131,985.63
  4. Step 4: Simplify right side
    192,510.86x = 35,027,282,927.44
  5. Step 5: Solve for x
    x = 35,027,282,927.44/192,510.86
  6. Step 6: Final answer
    x = 181,949.65

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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.