Home / 211,626.40-317,439.60-183,978.40

Finding the Fourth Proportional to 211,626.40, 317,439.60 and 183,978.40

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Solution

The fourth proportional to 211,626.40, 317,439.60 and 183,978.40 is: 275,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,626.40 : 317,439.60 = 183,978.40 : x
  2. Step 2: Convert to fraction form
    211,626.40/317,439.60 = 183,978.40/x
  3. Step 3: Cross multiply
    211,626.40x = 317,439.60 × 183,978.40
  4. Step 4: Simplify right side
    211,626.40x = 58,402,029,704.64
  5. Step 5: Solve for x
    x = 58,402,029,704.64/211,626.40
  6. Step 6: Final answer
    x = 275,967.60

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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.