Home / 318,986.89-440,201.67-175,746.94

Finding the Fourth Proportional to 318,986.89, 440,201.67 and 175,746.94

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Solution

The fourth proportional to 318,986.89, 440,201.67 and 175,746.94 is: 242,530.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,986.89 : 440,201.67 = 175,746.94 : x
  2. Step 2: Convert to fraction form
    318,986.89/440,201.67 = 175,746.94/x
  3. Step 3: Cross multiply
    318,986.89x = 440,201.67 × 175,746.94
  4. Step 4: Simplify right side
    318,986.89x = 77,364,095,095.38
  5. Step 5: Solve for x
    x = 77,364,095,095.38/318,986.89
  6. Step 6: Final answer
    x = 242,530.64

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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.