Home / 295,146.72-442,457.10-108,114.48

Finding the Fourth Proportional to 295,146.72, 442,457.10 and 108,114.48

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Solution

The fourth proportional to 295,146.72, 442,457.10 and 108,114.48 is: 162,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,146.72 : 442,457.10 = 108,114.48 : x
  2. Step 2: Convert to fraction form
    295,146.72/442,457.10 = 108,114.48/x
  3. Step 3: Cross multiply
    295,146.72x = 442,457.10 × 108,114.48
  4. Step 4: Simplify right side
    295,146.72x = 47,836,019,288.81
  5. Step 5: Solve for x
    x = 47,836,019,288.81/295,146.72
  6. Step 6: Final answer
    x = 162,075.39

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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.