Home / 103,930.83-143,424.91-56,184.18

Finding the Fourth Proportional to 103,930.83, 143,424.91 and 56,184.18

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Solution

The fourth proportional to 103,930.83, 143,424.91 and 56,184.18 is: 77,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,930.83 : 143,424.91 = 56,184.18 : x
  2. Step 2: Convert to fraction form
    103,930.83/143,424.91 = 56,184.18/x
  3. Step 3: Cross multiply
    103,930.83x = 143,424.91 × 56,184.18
  4. Step 4: Simplify right side
    103,930.83x = 8,058,211,299.08
  5. Step 5: Solve for x
    x = 8,058,211,299.08/103,930.83
  6. Step 6: Final answer
    x = 77,534.37

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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.