Home / 154,261.08-231,368.26-53,074.52

Finding the Fourth Proportional to 154,261.08, 231,368.26 and 53,074.52

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Solution

The fourth proportional to 154,261.08, 231,368.26 and 53,074.52 is: 79,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,261.08 : 231,368.26 = 53,074.52 : x
  2. Step 2: Convert to fraction form
    154,261.08/231,368.26 = 53,074.52/x
  3. Step 3: Cross multiply
    154,261.08x = 231,368.26 × 53,074.52
  4. Step 4: Simplify right side
    154,261.08x = 12,279,759,342.74
  5. Step 5: Solve for x
    x = 12,279,759,342.74/154,261.08
  6. Step 6: Final answer
    x = 79,603.74

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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.