Home / 186,941.40-257,969.43-106,367.28

Finding the Fourth Proportional to 186,941.40, 257,969.43 and 106,367.28

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Solution

The fourth proportional to 186,941.40, 257,969.43 and 106,367.28 is: 146,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,941.40 : 257,969.43 = 106,367.28 : x
  2. Step 2: Convert to fraction form
    186,941.40/257,969.43 = 106,367.28/x
  3. Step 3: Cross multiply
    186,941.40x = 257,969.43 × 106,367.28
  4. Step 4: Simplify right side
    186,941.40x = 27,439,506,592.25
  5. Step 5: Solve for x
    x = 27,439,506,592.25/186,941.40
  6. Step 6: Final answer
    x = 146,781.33

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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.