Home / 147,027.20-219,957.60-127,522.40

Finding the Fourth Proportional to 147,027.20, 219,957.60 and 127,522.40

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Solution

The fourth proportional to 147,027.20, 219,957.60 and 127,522.40 is: 190,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,027.20 : 219,957.60 = 127,522.40 : x
  2. Step 2: Convert to fraction form
    147,027.20/219,957.60 = 127,522.40/x
  3. Step 3: Cross multiply
    147,027.20x = 219,957.60 × 127,522.40
  4. Step 4: Simplify right side
    147,027.20x = 28,049,521,050.24
  5. Step 5: Solve for x
    x = 28,049,521,050.24/147,027.20
  6. Step 6: Final answer
    x = 190,777.77

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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.