Home / 186,218.07-279,343.57-53,095.47

Finding the Fourth Proportional to 186,218.07, 279,343.57 and 53,095.47

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Solution

The fourth proportional to 186,218.07, 279,343.57 and 53,095.47 is: 79,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,218.07 : 279,343.57 = 53,095.47 : x
  2. Step 2: Convert to fraction form
    186,218.07/279,343.57 = 53,095.47/x
  3. Step 3: Cross multiply
    186,218.07x = 279,343.57 × 53,095.47
  4. Step 4: Simplify right side
    186,218.07x = 14,831,878,140.63
  5. Step 5: Solve for x
    x = 14,831,878,140.63/186,218.07
  6. Step 6: Final answer
    x = 79,647.90

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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.