Home / 114,127.93-157,518.17-76,467.61

Finding the Fourth Proportional to 114,127.93, 157,518.17 and 76,467.61

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Solution

The fourth proportional to 114,127.93, 157,518.17 and 76,467.61 is: 105,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,127.93 : 157,518.17 = 76,467.61 : x
  2. Step 2: Convert to fraction form
    114,127.93/157,518.17 = 76,467.61/x
  3. Step 3: Cross multiply
    114,127.93x = 157,518.17 × 76,467.61
  4. Step 4: Simplify right side
    114,127.93x = 12,045,037,991.47
  5. Step 5: Solve for x
    x = 12,045,037,991.47/114,127.93
  6. Step 6: Final answer
    x = 105,539.79

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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.