Home / 104,100.23-143,657.34-56,352.35

Finding the Fourth Proportional to 104,100.23, 143,657.34 and 56,352.35

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Solution

The fourth proportional to 104,100.23, 143,657.34 and 56,352.35 is: 77,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,100.23 : 143,657.34 = 56,352.35 : x
  2. Step 2: Convert to fraction form
    104,100.23/143,657.34 = 56,352.35/x
  3. Step 3: Cross multiply
    104,100.23x = 143,657.34 × 56,352.35
  4. Step 4: Simplify right side
    104,100.23x = 8,095,428,703.75
  5. Step 5: Solve for x
    x = 8,095,428,703.75/104,100.23
  6. Step 6: Final answer
    x = 77,765.71

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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.