Home / 137,908.08-190,385.70-92,823.12

Finding the Fourth Proportional to 137,908.08, 190,385.70 and 92,823.12

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Solution

The fourth proportional to 137,908.08, 190,385.70 and 92,823.12 is: 128,144.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,908.08 : 190,385.70 = 92,823.12 : x
  2. Step 2: Convert to fraction form
    137,908.08/190,385.70 = 92,823.12/x
  3. Step 3: Cross multiply
    137,908.08x = 190,385.70 × 92,823.12
  4. Step 4: Simplify right side
    137,908.08x = 17,672,194,677.38
  5. Step 5: Solve for x
    x = 17,672,194,677.38/137,908.08
  6. Step 6: Final answer
    x = 128,144.74

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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.