Home / 131,217.64-181,054.95-73,849.32

Finding the Fourth Proportional to 131,217.64, 181,054.95 and 73,849.32

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Solution

The fourth proportional to 131,217.64, 181,054.95 and 73,849.32 is: 101,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,217.64 : 181,054.95 = 73,849.32 : x
  2. Step 2: Convert to fraction form
    131,217.64/181,054.95 = 73,849.32/x
  3. Step 3: Cross multiply
    131,217.64x = 181,054.95 × 73,849.32
  4. Step 4: Simplify right side
    131,217.64x = 13,370,784,663.20
  5. Step 5: Solve for x
    x = 13,370,784,663.20/131,217.64
  6. Step 6: Final answer
    x = 101,897.77

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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.