Home / 120,048.04-165,673.54-86,066.92

Finding the Fourth Proportional to 120,048.04, 165,673.54 and 86,066.92

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Solution

The fourth proportional to 120,048.04, 165,673.54 and 86,066.92 is: 118,777.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,048.04 : 165,673.54 = 86,066.92 : x
  2. Step 2: Convert to fraction form
    120,048.04/165,673.54 = 86,066.92/x
  3. Step 3: Cross multiply
    120,048.04x = 165,673.54 × 86,066.92
  4. Step 4: Simplify right side
    120,048.04x = 14,259,011,313.30
  5. Step 5: Solve for x
    x = 14,259,011,313.30/120,048.04
  6. Step 6: Final answer
    x = 118,777.54

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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.