Home / 213,125.25-294,111.36-117,631.92

Finding the Fourth Proportional to 213,125.25, 294,111.36 and 117,631.92

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Solution

The fourth proportional to 213,125.25, 294,111.36 and 117,631.92 is: 162,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,125.25 : 294,111.36 = 117,631.92 : x
  2. Step 2: Convert to fraction form
    213,125.25/294,111.36 = 117,631.92/x
  3. Step 3: Cross multiply
    213,125.25x = 294,111.36 × 117,631.92
  4. Step 4: Simplify right side
    213,125.25x = 34,596,883,970.61
  5. Step 5: Solve for x
    x = 34,596,883,970.61/213,125.25
  6. Step 6: Final answer
    x = 162,331.23

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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.