Home / 475,070.04-712,629.48-120,087.06

Finding the Fourth Proportional to 475,070.04, 712,629.48 and 120,087.06

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Solution

The fourth proportional to 475,070.04, 712,629.48 and 120,087.06 is: 180,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,070.04 : 712,629.48 = 120,087.06 : x
  2. Step 2: Convert to fraction form
    475,070.04/712,629.48 = 120,087.06/x
  3. Step 3: Cross multiply
    475,070.04x = 712,629.48 × 120,087.06
  4. Step 4: Simplify right side
    475,070.04x = 85,577,579,122.53
  5. Step 5: Solve for x
    x = 85,577,579,122.53/475,070.04
  6. Step 6: Final answer
    x = 180,136.76

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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.