Home / 277,420.63-416,095.86-87,900.23

Finding the Fourth Proportional to 277,420.63, 416,095.86 and 87,900.23

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Solution

The fourth proportional to 277,420.63, 416,095.86 and 87,900.23 is: 131,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,420.63 : 416,095.86 = 87,900.23 : x
  2. Step 2: Convert to fraction form
    277,420.63/416,095.86 = 87,900.23/x
  3. Step 3: Cross multiply
    277,420.63x = 416,095.86 × 87,900.23
  4. Step 4: Simplify right side
    277,420.63x = 36,574,921,796.05
  5. Step 5: Solve for x
    x = 36,574,921,796.05/277,420.63
  6. Step 6: Final answer
    x = 131,839.23

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1.5x scale

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.