Home / 455,317.32-683,050.05-171,030

Finding the Fourth Proportional to 455,317.32, 683,050.05 and 171,030

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Solution

The fourth proportional to 455,317.32, 683,050.05 and 171,030 is: 256,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,317.32 : 683,050.05 = 171,030 : x
  2. Step 2: Convert to fraction form
    455,317.32/683,050.05 = 171,030/x
  3. Step 3: Cross multiply
    455,317.32x = 683,050.05 × 171,030
  4. Step 4: Simplify right side
    455,317.32x = 116,822,050,051.50
  5. Step 5: Solve for x
    x = 116,822,050,051.50/455,317.32
  6. Step 6: Final answer
    x = 256,572.82

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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.