Home / 156,915.36-213,646.26-156,417.14

Finding the Fourth Proportional to 156,915.36, 213,646.26 and 156,417.14

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Solution

The fourth proportional to 156,915.36, 213,646.26 and 156,417.14 is: 212,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915.36 : 213,646.26 = 156,417.14 : x
  2. Step 2: Convert to fraction form
    156,915.36/213,646.26 = 156,417.14/x
  3. Step 3: Cross multiply
    156,915.36x = 213,646.26 × 156,417.14
  4. Step 4: Simplify right side
    156,915.36x = 33,417,936,107.27
  5. Step 5: Solve for x
    x = 33,417,936,107.27/156,915.36
  6. Step 6: Final answer
    x = 212,967.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.