Home / 340,890.64-470,430.52-187,925.33

Finding the Fourth Proportional to 340,890.64, 470,430.52 and 187,925.33

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Solution

The fourth proportional to 340,890.64, 470,430.52 and 187,925.33 is: 259,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,890.64 : 470,430.52 = 187,925.33 : x
  2. Step 2: Convert to fraction form
    340,890.64/470,430.52 = 187,925.33/x
  3. Step 3: Cross multiply
    340,890.64x = 470,430.52 × 187,925.33
  4. Step 4: Simplify right side
    340,890.64x = 88,405,807,421.29
  5. Step 5: Solve for x
    x = 88,405,807,421.29/340,890.64
  6. Step 6: Final answer
    x = 259,337.74

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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.