Home / 186,401.10-257,236.45-101,518.10

Finding the Fourth Proportional to 186,401.10, 257,236.45 and 101,518.10

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Solution

The fourth proportional to 186,401.10, 257,236.45 and 101,518.10 is: 140,096.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,401.10 : 257,236.45 = 101,518.10 : x
  2. Step 2: Convert to fraction form
    186,401.10/257,236.45 = 101,518.10/x
  3. Step 3: Cross multiply
    186,401.10x = 257,236.45 × 101,518.10
  4. Step 4: Simplify right side
    186,401.10x = 26,114,154,114.77
  5. Step 5: Solve for x
    x = 26,114,154,114.77/186,401.10
  6. Step 6: Final answer
    x = 140,096.57

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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.