Home / 168,889.12-233,064-93,437.60

Finding the Fourth Proportional to 168,889.12, 233,064 and 93,437.60

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Solution

The fourth proportional to 168,889.12, 233,064 and 93,437.60 is: 128,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,889.12 : 233,064 = 93,437.60 : x
  2. Step 2: Convert to fraction form
    168,889.12/233,064 = 93,437.60/x
  3. Step 3: Cross multiply
    168,889.12x = 233,064 × 93,437.60
  4. Step 4: Simplify right side
    168,889.12x = 21,776,940,806.40
  5. Step 5: Solve for x
    x = 21,776,940,806.40/168,889.12
  6. Step 6: Final answer
    x = 128,942.24

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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.