Home / 104,176.44-143,763.66-56,430.18

Finding the Fourth Proportional to 104,176.44, 143,763.66 and 56,430.18

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Solution

The fourth proportional to 104,176.44, 143,763.66 and 56,430.18 is: 77,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,176.44 : 143,763.66 = 56,430.18 : x
  2. Step 2: Convert to fraction form
    104,176.44/143,763.66 = 56,430.18/x
  3. Step 3: Cross multiply
    104,176.44x = 143,763.66 × 56,430.18
  4. Step 4: Simplify right side
    104,176.44x = 8,112,609,211.26
  5. Step 5: Solve for x
    x = 8,112,609,211.26/104,176.44
  6. Step 6: Final answer
    x = 77,873.74

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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.