Home / 186,139.17-279,252.51-53,021.34

Finding the Fourth Proportional to 186,139.17, 279,252.51 and 53,021.34

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Solution

The fourth proportional to 186,139.17, 279,252.51 and 53,021.34 is: 79,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,139.17 : 279,252.51 = 53,021.34 : x
  2. Step 2: Convert to fraction form
    186,139.17/279,252.51 = 53,021.34/x
  3. Step 3: Cross multiply
    186,139.17x = 279,252.51 × 53,021.34
  4. Step 4: Simplify right side
    186,139.17x = 14,806,342,278.56
  5. Step 5: Solve for x
    x = 14,806,342,278.56/186,139.17
  6. Step 6: Final answer
    x = 79,544.47

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1.5x scale

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.