Home / 103,933.95-143,427.96-56,186.88

Finding the Fourth Proportional to 103,933.95, 143,427.96 and 56,186.88

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Solution

The fourth proportional to 103,933.95, 143,427.96 and 56,186.88 is: 77,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,933.95 : 143,427.96 = 56,186.88 : x
  2. Step 2: Convert to fraction form
    103,933.95/143,427.96 = 56,186.88/x
  3. Step 3: Cross multiply
    103,933.95x = 143,427.96 × 56,186.88
  4. Step 4: Simplify right side
    103,933.95x = 8,058,769,577.16
  5. Step 5: Solve for x
    x = 8,058,769,577.16/103,933.95
  6. Step 6: Final answer
    x = 77,537.41

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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.