Home / 102,295.96-141,162.88-56,346.67

Finding the Fourth Proportional to 102,295.96, 141,162.88 and 56,346.67

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Solution

The fourth proportional to 102,295.96, 141,162.88 and 56,346.67 is: 77,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,295.96 : 141,162.88 = 56,346.67 : x
  2. Step 2: Convert to fraction form
    102,295.96/141,162.88 = 56,346.67/x
  3. Step 3: Cross multiply
    102,295.96x = 141,162.88 × 56,346.67
  4. Step 4: Simplify right side
    102,295.96x = 7,954,058,215.61
  5. Step 5: Solve for x
    x = 7,954,058,215.61/102,295.96
  6. Step 6: Final answer
    x = 77,755.35

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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.