Home / 120,533.28-180,798.48-58,159.68

Finding the Fourth Proportional to 120,533.28, 180,798.48 and 58,159.68

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Solution

The fourth proportional to 120,533.28, 180,798.48 and 58,159.68 is: 87,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,533.28 : 180,798.48 = 58,159.68 : x
  2. Step 2: Convert to fraction form
    120,533.28/180,798.48 = 58,159.68/x
  3. Step 3: Cross multiply
    120,533.28x = 180,798.48 × 58,159.68
  4. Step 4: Simplify right side
    120,533.28x = 10,515,181,741.29
  5. Step 5: Solve for x
    x = 10,515,181,741.29/120,533.28
  6. Step 6: Final answer
    x = 87,238.83

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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.