Home / 340,890.89-470,430.86-187,925.58

Finding the Fourth Proportional to 340,890.89, 470,430.86 and 187,925.58

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Solution

The fourth proportional to 340,890.89, 470,430.86 and 187,925.58 is: 259,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,890.89 : 470,430.86 = 187,925.58 : x
  2. Step 2: Convert to fraction form
    340,890.89/470,430.86 = 187,925.58/x
  3. Step 3: Cross multiply
    340,890.89x = 470,430.86 × 187,925.58
  4. Step 4: Simplify right side
    340,890.89x = 88,405,992,685.21
  5. Step 5: Solve for x
    x = 88,405,992,685.21/340,890.89
  6. Step 6: Final answer
    x = 259,338.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.