Home / 255,683.35-383,580.38-97,911.81

Finding the Fourth Proportional to 255,683.35, 383,580.38 and 97,911.81

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Solution

The fourth proportional to 255,683.35, 383,580.38 and 97,911.81 is: 146,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,683.35 : 383,580.38 = 97,911.81 : x
  2. Step 2: Convert to fraction form
    255,683.35/383,580.38 = 97,911.81/x
  3. Step 3: Cross multiply
    255,683.35x = 383,580.38 × 97,911.81
  4. Step 4: Simplify right side
    255,683.35x = 37,557,049,286.29
  5. Step 5: Solve for x
    x = 37,557,049,286.29/255,683.35
  6. Step 6: Final answer
    x = 146,888.91

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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.