Home / 105,756.10-158,322.48-92,634.10

Finding the Fourth Proportional to 105,756.10, 158,322.48 and 92,634.10

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Solution

The fourth proportional to 105,756.10, 158,322.48 and 92,634.10 is: 138,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,756.10 : 158,322.48 = 92,634.10 : x
  2. Step 2: Convert to fraction form
    105,756.10/158,322.48 = 92,634.10/x
  3. Step 3: Cross multiply
    105,756.10x = 158,322.48 × 92,634.10
  4. Step 4: Simplify right side
    105,756.10x = 14,666,060,444.57
  5. Step 5: Solve for x
    x = 14,666,060,444.57/105,756.10
  6. Step 6: Final answer
    x = 138,678.15

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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.