Home / 156,577.53-216,133.04-92,915.33

Finding the Fourth Proportional to 156,577.53, 216,133.04 and 92,915.33

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Solution

The fourth proportional to 156,577.53, 216,133.04 and 92,915.33 is: 128,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,577.53 : 216,133.04 = 92,915.33 : x
  2. Step 2: Convert to fraction form
    156,577.53/216,133.04 = 92,915.33/x
  3. Step 3: Cross multiply
    156,577.53x = 216,133.04 × 92,915.33
  4. Step 4: Simplify right side
    156,577.53x = 20,082,072,735.50
  5. Step 5: Solve for x
    x = 20,082,072,735.50/156,577.53
  6. Step 6: Final answer
    x = 128,256.42

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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.