Home / 156,946.24-216,583.38-85,325.62

Finding the Fourth Proportional to 156,946.24, 216,583.38 and 85,325.62

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Solution

The fourth proportional to 156,946.24, 216,583.38 and 85,325.62 is: 117,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,946.24 : 216,583.38 = 85,325.62 : x
  2. Step 2: Convert to fraction form
    156,946.24/216,583.38 = 85,325.62/x
  3. Step 3: Cross multiply
    156,946.24x = 216,583.38 × 85,325.62
  4. Step 4: Simplify right side
    156,946.24x = 18,480,111,180.20
  5. Step 5: Solve for x
    x = 18,480,111,180.20/156,946.24
  6. Step 6: Final answer
    x = 117,748.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.