Home / 213,157.48-294,157.32-117,664.18

Finding the Fourth Proportional to 213,157.48, 294,157.32 and 117,664.18

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Solution

The fourth proportional to 213,157.48, 294,157.32 and 117,664.18 is: 162,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,157.48 : 294,157.32 = 117,664.18 : x
  2. Step 2: Convert to fraction form
    213,157.48/294,157.32 = 117,664.18/x
  3. Step 3: Cross multiply
    213,157.48x = 294,157.32 × 117,664.18
  4. Step 4: Simplify right side
    213,157.48x = 34,611,779,848.80
  5. Step 5: Solve for x
    x = 34,611,779,848.80/213,157.48
  6. Step 6: Final answer
    x = 162,376.57

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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.