Home / 213,156.48-294,155.94-117,663.18

Finding the Fourth Proportional to 213,156.48, 294,155.94 and 117,663.18

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Solution

The fourth proportional to 213,156.48, 294,155.94 and 117,663.18 is: 162,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,156.48 : 294,155.94 = 117,663.18 : x
  2. Step 2: Convert to fraction form
    213,156.48/294,155.94 = 117,663.18/x
  3. Step 3: Cross multiply
    213,156.48x = 294,155.94 × 117,663.18
  4. Step 4: Simplify right side
    213,156.48x = 34,611,323,316.29
  5. Step 5: Solve for x
    x = 34,611,323,316.29/213,156.48
  6. Step 6: Final answer
    x = 162,375.19

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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.