Home / 455,734.17-683,541.32-140,164.65

Finding the Fourth Proportional to 455,734.17, 683,541.32 and 140,164.65

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Solution

The fourth proportional to 455,734.17, 683,541.32 and 140,164.65 is: 210,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,734.17 : 683,541.32 = 140,164.65 : x
  2. Step 2: Convert to fraction form
    455,734.17/683,541.32 = 140,164.65/x
  3. Step 3: Cross multiply
    455,734.17x = 683,541.32 × 140,164.65
  4. Step 4: Simplify right side
    455,734.17x = 95,808,329,177.51
  5. Step 5: Solve for x
    x = 95,808,329,177.51/455,734.17
  6. Step 6: Final answer
    x = 210,228.54

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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.