Home / 107,645.25-148,534.64-64,615.62

Finding the Fourth Proportional to 107,645.25, 148,534.64 and 64,615.62

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Solution

The fourth proportional to 107,645.25, 148,534.64 and 64,615.62 is: 89,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,645.25 : 148,534.64 = 64,615.62 : x
  2. Step 2: Convert to fraction form
    107,645.25/148,534.64 = 64,615.62/x
  3. Step 3: Cross multiply
    107,645.25x = 148,534.64 × 64,615.62
  4. Step 4: Simplify right side
    107,645.25x = 9,597,657,532.00
  5. Step 5: Solve for x
    x = 9,597,657,532.00/107,645.25
  6. Step 6: Final answer
    x = 89,160.07

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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.