Home / 186,080.39-256,681.61-117,060.09

Finding the Fourth Proportional to 186,080.39, 256,681.61 and 117,060.09

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Solution

The fourth proportional to 186,080.39, 256,681.61 and 117,060.09 is: 161,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,080.39 : 256,681.61 = 117,060.09 : x
  2. Step 2: Convert to fraction form
    186,080.39/256,681.61 = 117,060.09/x
  3. Step 3: Cross multiply
    186,080.39x = 256,681.61 × 117,060.09
  4. Step 4: Simplify right side
    186,080.39x = 30,047,171,259.06
  5. Step 5: Solve for x
    x = 30,047,171,259.06/186,080.39
  6. Step 6: Final answer
    x = 161,474.14

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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.