Home / 277,621.65-383,117.40-150,297.21

Finding the Fourth Proportional to 277,621.65, 383,117.40 and 150,297.21

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Solution

The fourth proportional to 277,621.65, 383,117.40 and 150,297.21 is: 207,409.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,621.65 : 383,117.40 = 150,297.21 : x
  2. Step 2: Convert to fraction form
    277,621.65/383,117.40 = 150,297.21/x
  3. Step 3: Cross multiply
    277,621.65x = 383,117.40 × 150,297.21
  4. Step 4: Simplify right side
    277,621.65x = 57,581,476,322.45
  5. Step 5: Solve for x
    x = 57,581,476,322.45/277,621.65
  6. Step 6: Final answer
    x = 207,409.89

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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.