Home / 331,368.60-496,664.10-141,828.60

Finding the Fourth Proportional to 331,368.60, 496,664.10 and 141,828.60

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Solution

The fourth proportional to 331,368.60, 496,664.10 and 141,828.60 is: 212,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,368.60 : 496,664.10 = 141,828.60 : x
  2. Step 2: Convert to fraction form
    331,368.60/496,664.10 = 141,828.60/x
  3. Step 3: Cross multiply
    331,368.60x = 496,664.10 × 141,828.60
  4. Step 4: Simplify right side
    331,368.60x = 70,441,173,973.26
  5. Step 5: Solve for x
    x = 70,441,173,973.26/331,368.60
  6. Step 6: Final answer
    x = 212,576.49

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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.