Home / 196,013.60-294,020.40-194,631.20

Finding the Fourth Proportional to 196,013.60, 294,020.40 and 194,631.20

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Solution

The fourth proportional to 196,013.60, 294,020.40 and 194,631.20 is: 291,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,013.60 : 294,020.40 = 194,631.20 : x
  2. Step 2: Convert to fraction form
    196,013.60/294,020.40 = 194,631.20/x
  3. Step 3: Cross multiply
    196,013.60x = 294,020.40 × 194,631.20
  4. Step 4: Simplify right side
    196,013.60x = 57,225,543,276.48
  5. Step 5: Solve for x
    x = 57,225,543,276.48/196,013.60
  6. Step 6: Final answer
    x = 291,946.80

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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.