Home / 151,356.33-208,653.56-105,893.46

Finding the Fourth Proportional to 151,356.33, 208,653.56 and 105,893.46

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Solution

The fourth proportional to 151,356.33, 208,653.56 and 105,893.46 is: 145,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,356.33 : 208,653.56 = 105,893.46 : x
  2. Step 2: Convert to fraction form
    151,356.33/208,653.56 = 105,893.46/x
  3. Step 3: Cross multiply
    151,356.33x = 208,653.56 × 105,893.46
  4. Step 4: Simplify right side
    151,356.33x = 22,095,046,880.25
  5. Step 5: Solve for x
    x = 22,095,046,880.25/151,356.33
  6. Step 6: Final answer
    x = 145,980.33

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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.