Home / 158,505.10-237,624.38-74,220.86

Finding the Fourth Proportional to 158,505.10, 237,624.38 and 74,220.86

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Solution

The fourth proportional to 158,505.10, 237,624.38 and 74,220.86 is: 111,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,505.10 : 237,624.38 = 74,220.86 : x
  2. Step 2: Convert to fraction form
    158,505.10/237,624.38 = 74,220.86/x
  3. Step 3: Cross multiply
    158,505.10x = 237,624.38 × 74,220.86
  4. Step 4: Simplify right side
    158,505.10x = 17,636,685,422.71
  5. Step 5: Solve for x
    x = 17,636,685,422.71/158,505.10
  6. Step 6: Final answer
    x = 111,268.88

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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.