Home / 345,941.69-519,062.40-185,830.81

Finding the Fourth Proportional to 345,941.69, 519,062.40 and 185,830.81

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Solution

The fourth proportional to 345,941.69, 519,062.40 and 185,830.81 is: 278,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,941.69 : 519,062.40 = 185,830.81 : x
  2. Step 2: Convert to fraction form
    345,941.69/519,062.40 = 185,830.81/x
  3. Step 3: Cross multiply
    345,941.69x = 519,062.40 × 185,830.81
  4. Step 4: Simplify right side
    345,941.69x = 96,457,784,886.85
  5. Step 5: Solve for x
    x = 96,457,784,886.85/345,941.69
  6. Step 6: Final answer
    x = 278,826.72

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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.