Home / 107,397.88-148,149.36-99,795.34

Finding the Fourth Proportional to 107,397.88, 148,149.36 and 99,795.34

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Solution

The fourth proportional to 107,397.88, 148,149.36 and 99,795.34 is: 137,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,397.88 : 148,149.36 = 99,795.34 : x
  2. Step 2: Convert to fraction form
    107,397.88/148,149.36 = 99,795.34/x
  3. Step 3: Cross multiply
    107,397.88x = 148,149.36 × 99,795.34
  4. Step 4: Simplify right side
    107,397.88x = 14,784,615,751.98
  5. Step 5: Solve for x
    x = 14,784,615,751.98/107,397.88
  6. Step 6: Final answer
    x = 137,662.08

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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.