Home / 194,621.10-291,931.65-163,128.30

Finding the Fourth Proportional to 194,621.10, 291,931.65 and 163,128.30

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Solution

The fourth proportional to 194,621.10, 291,931.65 and 163,128.30 is: 244,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,621.10 : 291,931.65 = 163,128.30 : x
  2. Step 2: Convert to fraction form
    194,621.10/291,931.65 = 163,128.30/x
  3. Step 3: Cross multiply
    194,621.10x = 291,931.65 × 163,128.30
  4. Step 4: Simplify right side
    194,621.10x = 47,622,313,780.70
  5. Step 5: Solve for x
    x = 47,622,313,780.70/194,621.10
  6. Step 6: Final answer
    x = 244,692.45

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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.