Home / 186,072.17-256,838.13-105,553.22

Finding the Fourth Proportional to 186,072.17, 256,838.13 and 105,553.22

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Solution

The fourth proportional to 186,072.17, 256,838.13 and 105,553.22 is: 145,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,072.17 : 256,838.13 = 105,553.22 : x
  2. Step 2: Convert to fraction form
    186,072.17/256,838.13 = 105,553.22/x
  3. Step 3: Cross multiply
    186,072.17x = 256,838.13 × 105,553.22
  4. Step 4: Simplify right side
    186,072.17x = 27,110,090,356.09
  5. Step 5: Solve for x
    x = 27,110,090,356.09/186,072.17
  6. Step 6: Final answer
    x = 145,696.65

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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.