Home / 194,417.40-291,626.10-180,420.60

Finding the Fourth Proportional to 194,417.40, 291,626.10 and 180,420.60

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Solution

The fourth proportional to 194,417.40, 291,626.10 and 180,420.60 is: 270,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,417.40 : 291,626.10 = 180,420.60 : x
  2. Step 2: Convert to fraction form
    194,417.40/291,626.10 = 180,420.60/x
  3. Step 3: Cross multiply
    194,417.40x = 291,626.10 × 180,420.60
  4. Step 4: Simplify right side
    194,417.40x = 52,615,355,937.66
  5. Step 5: Solve for x
    x = 52,615,355,937.66/194,417.40
  6. Step 6: Final answer
    x = 270,630.90

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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.