Home / 218,148.05-301,097.75-133,336.19

Finding the Fourth Proportional to 218,148.05, 301,097.75 and 133,336.19

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Solution

The fourth proportional to 218,148.05, 301,097.75 and 133,336.19 is: 184,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,148.05 : 301,097.75 = 133,336.19 : x
  2. Step 2: Convert to fraction form
    218,148.05/301,097.75 = 133,336.19/x
  3. Step 3: Cross multiply
    218,148.05x = 301,097.75 × 133,336.19
  4. Step 4: Simplify right side
    218,148.05x = 40,147,226,802.57
  5. Step 5: Solve for x
    x = 40,147,226,802.57/218,148.05
  6. Step 6: Final answer
    x = 184,036.61

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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.