Home / 186,851.40-280,277.10-102,870.60

Finding the Fourth Proportional to 186,851.40, 280,277.10 and 102,870.60

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Solution

The fourth proportional to 186,851.40, 280,277.10 and 102,870.60 is: 154,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,851.40 : 280,277.10 = 102,870.60 : x
  2. Step 2: Convert to fraction form
    186,851.40/280,277.10 = 102,870.60/x
  3. Step 3: Cross multiply
    186,851.40x = 280,277.10 × 102,870.60
  4. Step 4: Simplify right side
    186,851.40x = 28,832,273,443.26
  5. Step 5: Solve for x
    x = 28,832,273,443.26/186,851.40
  6. Step 6: Final answer
    x = 154,305.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.