Home / 105,890.60-146,133.79-63,448.22

Finding the Fourth Proportional to 105,890.60, 146,133.79 and 63,448.22

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Solution

The fourth proportional to 105,890.60, 146,133.79 and 63,448.22 is: 87,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,890.60 : 146,133.79 = 63,448.22 : x
  2. Step 2: Convert to fraction form
    105,890.60/146,133.79 = 63,448.22/x
  3. Step 3: Cross multiply
    105,890.60x = 146,133.79 × 63,448.22
  4. Step 4: Simplify right side
    105,890.60x = 9,271,927,968.06
  5. Step 5: Solve for x
    x = 9,271,927,968.06/105,890.60
  6. Step 6: Final answer
    x = 87,561.39

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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.