Home / 181,207.10-250,071.63-100,635.59

Finding the Fourth Proportional to 181,207.10, 250,071.63 and 100,635.59

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Solution

The fourth proportional to 181,207.10, 250,071.63 and 100,635.59 is: 138,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,207.10 : 250,071.63 = 100,635.59 : x
  2. Step 2: Convert to fraction form
    181,207.10/250,071.63 = 100,635.59/x
  3. Step 3: Cross multiply
    181,207.10x = 250,071.63 × 100,635.59
  4. Step 4: Simplify right side
    181,207.10x = 25,166,106,027.31
  5. Step 5: Solve for x
    x = 25,166,106,027.31/181,207.10
  6. Step 6: Final answer
    x = 138,880.35

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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.