Home / 105,382.14-157,999.32-38,813.64

Finding the Fourth Proportional to 105,382.14, 157,999.32 and 38,813.64

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Solution

The fourth proportional to 105,382.14, 157,999.32 and 38,813.64 is: 58,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,382.14 : 157,999.32 = 38,813.64 : x
  2. Step 2: Convert to fraction form
    105,382.14/157,999.32 = 38,813.64/x
  3. Step 3: Cross multiply
    105,382.14x = 157,999.32 × 38,813.64
  4. Step 4: Simplify right side
    105,382.14x = 6,132,528,726.72
  5. Step 5: Solve for x
    x = 6,132,528,726.72/105,382.14
  6. Step 6: Final answer
    x = 58,193.25

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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.