Home / 236,841.20-354,678.60-112,036.40

Finding the Fourth Proportional to 236,841.20, 354,678.60 and 112,036.40

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Solution

The fourth proportional to 236,841.20, 354,678.60 and 112,036.40 is: 167,778.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,841.20 : 354,678.60 = 112,036.40 : x
  2. Step 2: Convert to fraction form
    236,841.20/354,678.60 = 112,036.40/x
  3. Step 3: Cross multiply
    236,841.20x = 354,678.60 × 112,036.40
  4. Step 4: Simplify right side
    236,841.20x = 39,736,913,501.04
  5. Step 5: Solve for x
    x = 39,736,913,501.04/236,841.20
  6. Step 6: Final answer
    x = 167,778.72

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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.