Home / 107,644.90-148,534.16-64,615.27

Finding the Fourth Proportional to 107,644.90, 148,534.16 and 64,615.27

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Solution

The fourth proportional to 107,644.90, 148,534.16 and 64,615.27 is: 89,159.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,644.90 : 148,534.16 = 64,615.27 : x
  2. Step 2: Convert to fraction form
    107,644.90/148,534.16 = 64,615.27/x
  3. Step 3: Cross multiply
    107,644.90x = 148,534.16 × 64,615.27
  4. Step 4: Simplify right side
    107,644.90x = 9,597,574,852.62
  5. Step 5: Solve for x
    x = 9,597,574,852.62/107,644.90
  6. Step 6: Final answer
    x = 89,159.59

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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.