Home / 295,460.09-443,328.53-145,618.70

Finding the Fourth Proportional to 295,460.09, 443,328.53 and 145,618.70

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Solution

The fourth proportional to 295,460.09, 443,328.53 and 145,618.70 is: 218,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,460.09 : 443,328.53 = 145,618.70 : x
  2. Step 2: Convert to fraction form
    295,460.09/443,328.53 = 145,618.70/x
  3. Step 3: Cross multiply
    295,460.09x = 443,328.53 × 145,618.70
  4. Step 4: Simplify right side
    295,460.09x = 64,556,921,266.77
  5. Step 5: Solve for x
    x = 64,556,921,266.77/295,460.09
  6. Step 6: Final answer
    x = 218,496.25

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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.