Home / 112,136.41-154,747.02-61,148.98

Finding the Fourth Proportional to 112,136.41, 154,747.02 and 61,148.98

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Solution

The fourth proportional to 112,136.41, 154,747.02 and 61,148.98 is: 84,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,136.41 : 154,747.02 = 61,148.98 : x
  2. Step 2: Convert to fraction form
    112,136.41/154,747.02 = 61,148.98/x
  3. Step 3: Cross multiply
    112,136.41x = 154,747.02 × 61,148.98
  4. Step 4: Simplify right side
    112,136.41x = 9,462,622,431.04
  5. Step 5: Solve for x
    x = 9,462,622,431.04/112,136.41
  6. Step 6: Final answer
    x = 84,384.92

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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.