Home / 186,964.40-280,147.08-98,214.32

Finding the Fourth Proportional to 186,964.40, 280,147.08 and 98,214.32

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Solution

The fourth proportional to 186,964.40, 280,147.08 and 98,214.32 is: 147,164.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,964.40 : 280,147.08 = 98,214.32 : x
  2. Step 2: Convert to fraction form
    186,964.40/280,147.08 = 98,214.32/x
  3. Step 3: Cross multiply
    186,964.40x = 280,147.08 × 98,214.32
  4. Step 4: Simplify right side
    186,964.40x = 27,514,454,962.19
  5. Step 5: Solve for x
    x = 27,514,454,962.19/186,964.40
  6. Step 6: Final answer
    x = 147,164.14

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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.