Home / 118,871.24-178,585.56-112,146.08

Finding the Fourth Proportional to 118,871.24, 178,585.56 and 112,146.08

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Solution

The fourth proportional to 118,871.24, 178,585.56 and 112,146.08 is: 168,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,871.24 : 178,585.56 = 112,146.08 : x
  2. Step 2: Convert to fraction form
    118,871.24/178,585.56 = 112,146.08/x
  3. Step 3: Cross multiply
    118,871.24x = 178,585.56 × 112,146.08
  4. Step 4: Simplify right side
    118,871.24x = 20,027,670,498.60
  5. Step 5: Solve for x
    x = 20,027,670,498.60/118,871.24
  6. Step 6: Final answer
    x = 168,482.05

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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.