Home / 105,347.93-157,998.38-30,451.41

Finding the Fourth Proportional to 105,347.93, 157,998.38 and 30,451.41

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Solution

The fourth proportional to 105,347.93, 157,998.38 and 30,451.41 is: 45,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,347.93 : 157,998.38 = 30,451.41 : x
  2. Step 2: Convert to fraction form
    105,347.93/157,998.38 = 30,451.41/x
  3. Step 3: Cross multiply
    105,347.93x = 157,998.38 × 30,451.41
  4. Step 4: Simplify right side
    105,347.93x = 4,811,273,296.46
  5. Step 5: Solve for x
    x = 4,811,273,296.46/105,347.93
  6. Step 6: Final answer
    x = 45,670.32

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1.5x scale

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.