Home / 219,812.57-303,341.34-124,317.21

Finding the Fourth Proportional to 219,812.57, 303,341.34 and 124,317.21

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Solution

The fourth proportional to 219,812.57, 303,341.34 and 124,317.21 is: 171,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,812.57 : 303,341.34 = 124,317.21 : x
  2. Step 2: Convert to fraction form
    219,812.57/303,341.34 = 124,317.21/x
  3. Step 3: Cross multiply
    219,812.57x = 303,341.34 × 124,317.21
  4. Step 4: Simplify right side
    219,812.57x = 37,710,548,444.88
  5. Step 5: Solve for x
    x = 37,710,548,444.88/219,812.57
  6. Step 6: Final answer
    x = 171,557.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.