Home / 144,941.40-217,412.10-120,009.60

Finding the Fourth Proportional to 144,941.40, 217,412.10 and 120,009.60

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Solution

The fourth proportional to 144,941.40, 217,412.10 and 120,009.60 is: 180,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,941.40 : 217,412.10 = 120,009.60 : x
  2. Step 2: Convert to fraction form
    144,941.40/217,412.10 = 120,009.60/x
  3. Step 3: Cross multiply
    144,941.40x = 217,412.10 × 120,009.60
  4. Step 4: Simplify right side
    144,941.40x = 26,091,539,156.16
  5. Step 5: Solve for x
    x = 26,091,539,156.16/144,941.40
  6. Step 6: Final answer
    x = 180,014.40

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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.