Home / 119,119.36-178,681.48-48,989.56

Finding the Fourth Proportional to 119,119.36, 178,681.48 and 48,989.56

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Solution

The fourth proportional to 119,119.36, 178,681.48 and 48,989.56 is: 73,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,119.36 : 178,681.48 = 48,989.56 : x
  2. Step 2: Convert to fraction form
    119,119.36/178,681.48 = 48,989.56/x
  3. Step 3: Cross multiply
    119,119.36x = 178,681.48 × 48,989.56
  4. Step 4: Simplify right side
    119,119.36x = 8,753,527,085.35
  5. Step 5: Solve for x
    x = 8,753,527,085.35/119,119.36
  6. Step 6: Final answer
    x = 73,485.34

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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.