Home / 186,054.68-256,734.07-105,466.16

Finding the Fourth Proportional to 186,054.68, 256,734.07 and 105,466.16

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Solution

The fourth proportional to 186,054.68, 256,734.07 and 105,466.16 is: 145,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,054.68 : 256,734.07 = 105,466.16 : x
  2. Step 2: Convert to fraction form
    186,054.68/256,734.07 = 105,466.16/x
  3. Step 3: Cross multiply
    186,054.68x = 256,734.07 × 105,466.16
  4. Step 4: Simplify right side
    186,054.68x = 27,076,754,956.74
  5. Step 5: Solve for x
    x = 27,076,754,956.74/186,054.68
  6. Step 6: Final answer
    x = 145,531.17

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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.