Home / 104,012.19-143,536.40-56,265.42

Finding the Fourth Proportional to 104,012.19, 143,536.40 and 56,265.42

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Solution

The fourth proportional to 104,012.19, 143,536.40 and 56,265.42 is: 77,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,012.19 : 143,536.40 = 56,265.42 : x
  2. Step 2: Convert to fraction form
    104,012.19/143,536.40 = 56,265.42/x
  3. Step 3: Cross multiply
    104,012.19x = 143,536.40 × 56,265.42
  4. Step 4: Simplify right side
    104,012.19x = 8,076,135,549.96
  5. Step 5: Solve for x
    x = 8,076,135,549.96/104,012.19
  6. Step 6: Final answer
    x = 77,646.05

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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.