Home / 131,896.32-182,094.72-86,653.36

Finding the Fourth Proportional to 131,896.32, 182,094.72 and 86,653.36

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Solution

The fourth proportional to 131,896.32, 182,094.72 and 86,653.36 is: 119,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,896.32 : 182,094.72 = 86,653.36 : x
  2. Step 2: Convert to fraction form
    131,896.32/182,094.72 = 86,653.36/x
  3. Step 3: Cross multiply
    131,896.32x = 182,094.72 × 86,653.36
  4. Step 4: Simplify right side
    131,896.32x = 15,779,119,326.26
  5. Step 5: Solve for x
    x = 15,779,119,326.26/131,896.32
  6. Step 6: Final answer
    x = 119,632.75

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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.