Home / 186,495.06-257,355.96-101,612.76

Finding the Fourth Proportional to 186,495.06, 257,355.96 and 101,612.76

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Solution

The fourth proportional to 186,495.06, 257,355.96 and 101,612.76 is: 140,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,495.06 : 257,355.96 = 101,612.76 : x
  2. Step 2: Convert to fraction form
    186,495.06/257,355.96 = 101,612.76/x
  3. Step 3: Cross multiply
    186,495.06x = 257,355.96 × 101,612.76
  4. Step 4: Simplify right side
    186,495.06x = 26,150,649,398.05
  5. Step 5: Solve for x
    x = 26,150,649,398.05/186,495.06
  6. Step 6: Final answer
    x = 140,221.67

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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.