Home / 104,266.32-143,886.92-56,518.48

Finding the Fourth Proportional to 104,266.32, 143,886.92 and 56,518.48

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Solution

The fourth proportional to 104,266.32, 143,886.92 and 56,518.48 is: 77,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,266.32 : 143,886.92 = 56,518.48 : x
  2. Step 2: Convert to fraction form
    104,266.32/143,886.92 = 56,518.48/x
  3. Step 3: Cross multiply
    104,266.32x = 143,886.92 × 56,518.48
  4. Step 4: Simplify right side
    104,266.32x = 8,132,270,010.28
  5. Step 5: Solve for x
    x = 8,132,270,010.28/104,266.32
  6. Step 6: Final answer
    x = 77,995.18

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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.