Home / 186,013.10-256,696.80-101,130.17

Finding the Fourth Proportional to 186,013.10, 256,696.80 and 101,130.17

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Solution

The fourth proportional to 186,013.10, 256,696.80 and 101,130.17 is: 139,558.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,013.10 : 256,696.80 = 101,130.17 : x
  2. Step 2: Convert to fraction form
    186,013.10/256,696.80 = 101,130.17/x
  3. Step 3: Cross multiply
    186,013.10x = 256,696.80 × 101,130.17
  4. Step 4: Simplify right side
    186,013.10x = 25,959,789,738.97
  5. Step 5: Solve for x
    x = 25,959,789,738.97/186,013.10
  6. Step 6: Final answer
    x = 139,558.94

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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.