Home / 194,631.10-291,946.65-163,138.30

Finding the Fourth Proportional to 194,631.10, 291,946.65 and 163,138.30

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Solution

The fourth proportional to 194,631.10, 291,946.65 and 163,138.30 is: 244,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,631.10 : 291,946.65 = 163,138.30 : x
  2. Step 2: Convert to fraction form
    194,631.10/291,946.65 = 163,138.30/x
  3. Step 3: Cross multiply
    194,631.10x = 291,946.65 × 163,138.30
  4. Step 4: Simplify right side
    194,631.10x = 47,627,680,171.70
  5. Step 5: Solve for x
    x = 47,627,680,171.70/194,631.10
  6. Step 6: Final answer
    x = 244,707.45

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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.