Home / 105,218.40-157,924.80-52,665.60

Finding the Fourth Proportional to 105,218.40, 157,924.80 and 52,665.60

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Solution

The fourth proportional to 105,218.40, 157,924.80 and 52,665.60 is: 79,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,218.40 : 157,924.80 = 52,665.60 : x
  2. Step 2: Convert to fraction form
    105,218.40/157,924.80 = 52,665.60/x
  3. Step 3: Cross multiply
    105,218.40x = 157,924.80 × 52,665.60
  4. Step 4: Simplify right side
    105,218.40x = 8,317,204,346.88
  5. Step 5: Solve for x
    x = 8,317,204,346.88/105,218.40
  6. Step 6: Final answer
    x = 79,047.05

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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.