Home / 156,941.36-216,583.32-85,326.30

Finding the Fourth Proportional to 156,941.36, 216,583.32 and 85,326.30

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Solution

The fourth proportional to 156,941.36, 216,583.32 and 85,326.30 is: 117,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.36 : 216,583.32 = 85,326.30 : x
  2. Step 2: Convert to fraction form
    156,941.36/216,583.32 = 85,326.30/x
  3. Step 3: Cross multiply
    156,941.36x = 216,583.32 × 85,326.30
  4. Step 4: Simplify right side
    156,941.36x = 18,480,253,337.32
  5. Step 5: Solve for x
    x = 18,480,253,337.32/156,941.36
  6. Step 6: Final answer
    x = 117,752.60

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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.