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Finding the Fourth Proportional to 196,260.40, 294,390.60 and 101,490.40

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Solution

The fourth proportional to 196,260.40, 294,390.60 and 101,490.40 is: 152,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,260.40 : 294,390.60 = 101,490.40 : x
  2. Step 2: Convert to fraction form
    196,260.40/294,390.60 = 101,490.40/x
  3. Step 3: Cross multiply
    196,260.40x = 294,390.60 × 101,490.40
  4. Step 4: Simplify right side
    196,260.40x = 29,877,819,750.24
  5. Step 5: Solve for x
    x = 29,877,819,750.24/196,260.40
  6. Step 6: Final answer
    x = 152,235.60

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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.