Home / 146,778.64-202,554.53-83,128.74

Finding the Fourth Proportional to 146,778.64, 202,554.53 and 83,128.74

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Solution

The fourth proportional to 146,778.64, 202,554.53 and 83,128.74 is: 114,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,778.64 : 202,554.53 = 83,128.74 : x
  2. Step 2: Convert to fraction form
    146,778.64/202,554.53 = 83,128.74/x
  3. Step 3: Cross multiply
    146,778.64x = 202,554.53 × 83,128.74
  4. Step 4: Simplify right side
    146,778.64x = 16,838,103,479.36
  5. Step 5: Solve for x
    x = 16,838,103,479.36/146,778.64
  6. Step 6: Final answer
    x = 114,717.67

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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.