Home / 186,668.16-280,016.28-53,547.36

Finding the Fourth Proportional to 186,668.16, 280,016.28 and 53,547.36

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Solution

The fourth proportional to 186,668.16, 280,016.28 and 53,547.36 is: 80,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,668.16 : 280,016.28 = 53,547.36 : x
  2. Step 2: Convert to fraction form
    186,668.16/280,016.28 = 53,547.36/x
  3. Step 3: Cross multiply
    186,668.16x = 280,016.28 × 53,547.36
  4. Step 4: Simplify right side
    186,668.16x = 14,994,132,551.02
  5. Step 5: Solve for x
    x = 14,994,132,551.02/186,668.16
  6. Step 6: Final answer
    x = 80,325.07

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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.