Home / 105,215.57-157,886.23-38,662.42

Finding the Fourth Proportional to 105,215.57, 157,886.23 and 38,662.42

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Solution

The fourth proportional to 105,215.57, 157,886.23 and 38,662.42 is: 58,016.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,215.57 : 157,886.23 = 38,662.42 : x
  2. Step 2: Convert to fraction form
    105,215.57/157,886.23 = 38,662.42/x
  3. Step 3: Cross multiply
    105,215.57x = 157,886.23 × 38,662.42
  4. Step 4: Simplify right side
    105,215.57x = 6,104,264,131.19
  5. Step 5: Solve for x
    x = 6,104,264,131.19/105,215.57
  6. Step 6: Final answer
    x = 58,016.74

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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.