Home / 213,136.05-294,127.77-117,642.77

Finding the Fourth Proportional to 213,136.05, 294,127.77 and 117,642.77

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Solution

The fourth proportional to 213,136.05, 294,127.77 and 117,642.77 is: 162,347.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,136.05 : 294,127.77 = 117,642.77 : x
  2. Step 2: Convert to fraction form
    213,136.05/294,127.77 = 117,642.77/x
  3. Step 3: Cross multiply
    213,136.05x = 294,127.77 × 117,642.77
  4. Step 4: Simplify right side
    213,136.05x = 34,602,005,596.72
  5. Step 5: Solve for x
    x = 34,602,005,596.72/213,136.05
  6. Step 6: Final answer
    x = 162,347.03

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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.