Home / 186,658.12-279,988.29-46,416.74

Finding the Fourth Proportional to 186,658.12, 279,988.29 and 46,416.74

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Solution

The fourth proportional to 186,658.12, 279,988.29 and 46,416.74 is: 69,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,658.12 : 279,988.29 = 46,416.74 : x
  2. Step 2: Convert to fraction form
    186,658.12/279,988.29 = 46,416.74/x
  3. Step 3: Cross multiply
    186,658.12x = 279,988.29 × 46,416.74
  4. Step 4: Simplify right side
    186,658.12x = 12,996,143,659.97
  5. Step 5: Solve for x
    x = 12,996,143,659.97/186,658.12
  6. Step 6: Final answer
    x = 69,625.39

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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.