Home / 105,341.25-158,027.60-38,776.31

Finding the Fourth Proportional to 105,341.25, 158,027.60 and 38,776.31

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Solution

The fourth proportional to 105,341.25, 158,027.60 and 38,776.31 is: 58,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,341.25 : 158,027.60 = 38,776.31 : x
  2. Step 2: Convert to fraction form
    105,341.25/158,027.60 = 38,776.31/x
  3. Step 3: Cross multiply
    105,341.25x = 158,027.60 × 38,776.31
  4. Step 4: Simplify right side
    105,341.25x = 6,127,727,206.16
  5. Step 5: Solve for x
    x = 6,127,727,206.16/105,341.25
  6. Step 6: Final answer
    x = 58,170.25

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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.