Home / 301,880.03-416,585.66-172,814.15

Finding the Fourth Proportional to 301,880.03, 416,585.66 and 172,814.15

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Solution

The fourth proportional to 301,880.03, 416,585.66 and 172,814.15 is: 238,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,880.03 : 416,585.66 = 172,814.15 : x
  2. Step 2: Convert to fraction form
    301,880.03/416,585.66 = 172,814.15/x
  3. Step 3: Cross multiply
    301,880.03x = 416,585.66 × 172,814.15
  4. Step 4: Simplify right side
    301,880.03x = 71,991,896,735.09
  5. Step 5: Solve for x
    x = 71,991,896,735.09/301,880.03
  6. Step 6: Final answer
    x = 238,478.50

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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.