Home / 136,111.02-203,988.86-69,494.82

Finding the Fourth Proportional to 136,111.02, 203,988.86 and 69,494.82

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Solution

The fourth proportional to 136,111.02, 203,988.86 and 69,494.82 is: 104,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,111.02 : 203,988.86 = 69,494.82 : x
  2. Step 2: Convert to fraction form
    136,111.02/203,988.86 = 69,494.82/x
  3. Step 3: Cross multiply
    136,111.02x = 203,988.86 × 69,494.82
  4. Step 4: Simplify right side
    136,111.02x = 14,176,169,107.71
  5. Step 5: Solve for x
    x = 14,176,169,107.71/136,111.02
  6. Step 6: Final answer
    x = 104,151.52

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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.