Home / 120,459.42-180,717.84-41,574.33

Finding the Fourth Proportional to 120,459.42, 180,717.84 and 41,574.33

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Solution

The fourth proportional to 120,459.42, 180,717.84 and 41,574.33 is: 62,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,459.42 : 180,717.84 = 41,574.33 : x
  2. Step 2: Convert to fraction form
    120,459.42/180,717.84 = 41,574.33/x
  3. Step 3: Cross multiply
    120,459.42x = 180,717.84 × 41,574.33
  4. Step 4: Simplify right side
    120,459.42x = 7,513,223,117.05
  5. Step 5: Solve for x
    x = 7,513,223,117.05/120,459.42
  6. Step 6: Final answer
    x = 62,371.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.