Home / 105,955.22-146,153.35-62,905.51

Finding the Fourth Proportional to 105,955.22, 146,153.35 and 62,905.51

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Solution

The fourth proportional to 105,955.22, 146,153.35 and 62,905.51 is: 86,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,955.22 : 146,153.35 = 62,905.51 : x
  2. Step 2: Convert to fraction form
    105,955.22/146,153.35 = 62,905.51/x
  3. Step 3: Cross multiply
    105,955.22x = 146,153.35 × 62,905.51
  4. Step 4: Simplify right side
    105,955.22x = 9,193,849,974.66
  5. Step 5: Solve for x
    x = 9,193,849,974.66/105,955.22
  6. Step 6: Final answer
    x = 86,771.09

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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.