Home / 149,946.09-206,892.27-86,283.89

Finding the Fourth Proportional to 149,946.09, 206,892.27 and 86,283.89

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Solution

The fourth proportional to 149,946.09, 206,892.27 and 86,283.89 is: 119,052.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,946.09 : 206,892.27 = 86,283.89 : x
  2. Step 2: Convert to fraction form
    149,946.09/206,892.27 = 86,283.89/x
  3. Step 3: Cross multiply
    149,946.09x = 206,892.27 × 86,283.89
  4. Step 4: Simplify right side
    149,946.09x = 17,851,468,832.07
  5. Step 5: Solve for x
    x = 17,851,468,832.07/149,946.09
  6. Step 6: Final answer
    x = 119,052.58

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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.