Home / 134,624.83-185,774.69-74,195.28

Finding the Fourth Proportional to 134,624.83, 185,774.69 and 74,195.28

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Solution

The fourth proportional to 134,624.83, 185,774.69 and 74,195.28 is: 102,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,624.83 : 185,774.69 = 74,195.28 : x
  2. Step 2: Convert to fraction form
    134,624.83/185,774.69 = 74,195.28/x
  3. Step 3: Cross multiply
    134,624.83x = 185,774.69 × 74,195.28
  4. Step 4: Simplify right side
    134,624.83x = 13,783,604,770.49
  5. Step 5: Solve for x
    x = 13,783,604,770.49/134,624.83
  6. Step 6: Final answer
    x = 102,385.31

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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.