Home / 136,111.32-203,730.14-72,773.16

Finding the Fourth Proportional to 136,111.32, 203,730.14 and 72,773.16

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Solution

The fourth proportional to 136,111.32, 203,730.14 and 72,773.16 is: 108,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,111.32 : 203,730.14 = 72,773.16 : x
  2. Step 2: Convert to fraction form
    136,111.32/203,730.14 = 72,773.16/x
  3. Step 3: Cross multiply
    136,111.32x = 203,730.14 × 72,773.16
  4. Step 4: Simplify right side
    136,111.32x = 14,826,086,075.04
  5. Step 5: Solve for x
    x = 14,826,086,075.04/136,111.32
  6. Step 6: Final answer
    x = 108,926.18

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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.