Home / 186,399.48-257,287.50-126,818.04

Finding the Fourth Proportional to 186,399.48, 257,287.50 and 126,818.04

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Solution

The fourth proportional to 186,399.48, 257,287.50 and 126,818.04 is: 175,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,399.48 : 257,287.50 = 126,818.04 : x
  2. Step 2: Convert to fraction form
    186,399.48/257,287.50 = 126,818.04/x
  3. Step 3: Cross multiply
    186,399.48x = 257,287.50 × 126,818.04
  4. Step 4: Simplify right side
    186,399.48x = 32,628,696,466.50
  5. Step 5: Solve for x
    x = 32,628,696,466.50/186,399.48
  6. Step 6: Final answer
    x = 175,047.14

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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.