Home / 186,675.45-257,627.43-106,128.24

Finding the Fourth Proportional to 186,675.45, 257,627.43 and 106,128.24

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Solution

The fourth proportional to 186,675.45, 257,627.43 and 106,128.24 is: 146,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,675.45 : 257,627.43 = 106,128.24 : x
  2. Step 2: Convert to fraction form
    186,675.45/257,627.43 = 106,128.24/x
  3. Step 3: Cross multiply
    186,675.45x = 257,627.43 × 106,128.24
  4. Step 4: Simplify right side
    186,675.45x = 27,341,545,721.62
  5. Step 5: Solve for x
    x = 27,341,545,721.62/186,675.45
  6. Step 6: Final answer
    x = 146,465.67

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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.