Home / 277,095.60-415,686.96-90,063.36

Finding the Fourth Proportional to 277,095.60, 415,686.96 and 90,063.36

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Solution

The fourth proportional to 277,095.60, 415,686.96 and 90,063.36 is: 135,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,095.60 : 415,686.96 = 90,063.36 : x
  2. Step 2: Convert to fraction form
    277,095.60/415,686.96 = 90,063.36/x
  3. Step 3: Cross multiply
    277,095.60x = 415,686.96 × 90,063.36
  4. Step 4: Simplify right side
    277,095.60x = 37,438,164,325.79
  5. Step 5: Solve for x
    x = 37,438,164,325.79/277,095.60
  6. Step 6: Final answer
    x = 135,109.20

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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.