Home / 186,283.50-257,071.26-101,401.20

Finding the Fourth Proportional to 186,283.50, 257,071.26 and 101,401.20

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Solution

The fourth proportional to 186,283.50, 257,071.26 and 101,401.20 is: 139,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,283.50 : 257,071.26 = 101,401.20 : x
  2. Step 2: Convert to fraction form
    186,283.50/257,071.26 = 101,401.20/x
  3. Step 3: Cross multiply
    186,283.50x = 257,071.26 × 101,401.20
  4. Step 4: Simplify right side
    186,283.50x = 26,067,334,249.51
  5. Step 5: Solve for x
    x = 26,067,334,249.51/186,283.50
  6. Step 6: Final answer
    x = 139,933.67

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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.