Home / 104,814.80-157,222.20-54,875.60

Finding the Fourth Proportional to 104,814.80, 157,222.20 and 54,875.60

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Solution

The fourth proportional to 104,814.80, 157,222.20 and 54,875.60 is: 82,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,814.80 : 157,222.20 = 54,875.60 : x
  2. Step 2: Convert to fraction form
    104,814.80/157,222.20 = 54,875.60/x
  3. Step 3: Cross multiply
    104,814.80x = 157,222.20 × 54,875.60
  4. Step 4: Simplify right side
    104,814.80x = 8,627,662,558.32
  5. Step 5: Solve for x
    x = 8,627,662,558.32/104,814.80
  6. Step 6: Final answer
    x = 82,313.40

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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.