Home / 156,857.41-235,093.39-72,503.45

Finding the Fourth Proportional to 156,857.41, 235,093.39 and 72,503.45

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Solution

The fourth proportional to 156,857.41, 235,093.39 and 72,503.45 is: 108,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,857.41 : 235,093.39 = 72,503.45 : x
  2. Step 2: Convert to fraction form
    156,857.41/235,093.39 = 72,503.45/x
  3. Step 3: Cross multiply
    156,857.41x = 235,093.39 × 72,503.45
  4. Step 4: Simplify right side
    156,857.41x = 17,045,082,694.47
  5. Step 5: Solve for x
    x = 17,045,082,694.47/156,857.41
  6. Step 6: Final answer
    x = 108,666.10

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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.