Home / 151,158.24-208,618.74-86,653.08

Finding the Fourth Proportional to 151,158.24, 208,618.74 and 86,653.08

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Solution

The fourth proportional to 151,158.24, 208,618.74 and 86,653.08 is: 119,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,158.24 : 208,618.74 = 86,653.08 : x
  2. Step 2: Convert to fraction form
    151,158.24/208,618.74 = 86,653.08/x
  3. Step 3: Cross multiply
    151,158.24x = 208,618.74 × 86,653.08
  4. Step 4: Simplify right side
    151,158.24x = 18,077,456,366.72
  5. Step 5: Solve for x
    x = 18,077,456,366.72/151,158.24
  6. Step 6: Final answer
    x = 119,592.93

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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.