Home / 318,543.54-439,580.49-175,303.38

Finding the Fourth Proportional to 318,543.54, 439,580.49 and 175,303.38

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Solution

The fourth proportional to 318,543.54, 439,580.49 and 175,303.38 is: 241,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,543.54 : 439,580.49 = 175,303.38 : x
  2. Step 2: Convert to fraction form
    318,543.54/439,580.49 = 175,303.38/x
  3. Step 3: Cross multiply
    318,543.54x = 439,580.49 × 175,303.38
  4. Step 4: Simplify right side
    318,543.54x = 77,059,945,679.06
  5. Step 5: Solve for x
    x = 77,059,945,679.06/318,543.54
  6. Step 6: Final answer
    x = 241,913.38

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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.