Home / 346,051.20-519,222.60-188,392.80

Finding the Fourth Proportional to 346,051.20, 519,222.60 and 188,392.80

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Solution

The fourth proportional to 346,051.20, 519,222.60 and 188,392.80 is: 282,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,051.20 : 519,222.60 = 188,392.80 : x
  2. Step 2: Convert to fraction form
    346,051.20/519,222.60 = 188,392.80/x
  3. Step 3: Cross multiply
    346,051.20x = 519,222.60 × 188,392.80
  4. Step 4: Simplify right side
    346,051.20x = 97,817,799,437.28
  5. Step 5: Solve for x
    x = 97,817,799,437.28/346,051.20
  6. Step 6: Final answer
    x = 282,668.57

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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.