Home / 186,423.40-257,316.78-168,052.60

Finding the Fourth Proportional to 186,423.40, 257,316.78 and 168,052.60

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Solution

The fourth proportional to 186,423.40, 257,316.78 and 168,052.60 is: 231,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,423.40 : 257,316.78 = 168,052.60 : x
  2. Step 2: Convert to fraction form
    186,423.40/257,316.78 = 168,052.60/x
  3. Step 3: Cross multiply
    186,423.40x = 257,316.78 × 168,052.60
  4. Step 4: Simplify right side
    186,423.40x = 43,242,753,902.63
  5. Step 5: Solve for x
    x = 43,242,753,902.63/186,423.40
  6. Step 6: Final answer
    x = 231,959.90

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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.