Home / 134,164.08-185,178.96-80,483.76

Finding the Fourth Proportional to 134,164.08, 185,178.96 and 80,483.76

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Solution

The fourth proportional to 134,164.08, 185,178.96 and 80,483.76 is: 111,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,164.08 : 185,178.96 = 80,483.76 : x
  2. Step 2: Convert to fraction form
    134,164.08/185,178.96 = 80,483.76/x
  3. Step 3: Cross multiply
    134,164.08x = 185,178.96 × 80,483.76
  4. Step 4: Simplify right side
    134,164.08x = 14,903,898,973.69
  5. Step 5: Solve for x
    x = 14,903,898,973.69/134,164.08
  6. Step 6: Final answer
    x = 111,087.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.