Home / 156,114.20-233,825.70-128,466.20

Finding the Fourth Proportional to 156,114.20, 233,825.70 and 128,466.20

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Solution

The fourth proportional to 156,114.20, 233,825.70 and 128,466.20 is: 192,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,114.20 : 233,825.70 = 128,466.20 : x
  2. Step 2: Convert to fraction form
    156,114.20/233,825.70 = 128,466.20/x
  3. Step 3: Cross multiply
    156,114.20x = 233,825.70 × 128,466.20
  4. Step 4: Simplify right side
    156,114.20x = 30,038,699,141.34
  5. Step 5: Solve for x
    x = 30,038,699,141.34/156,114.20
  6. Step 6: Final answer
    x = 192,414.91

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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.