Home / 243,177.38-364,894.50-172,556.36

Finding the Fourth Proportional to 243,177.38, 364,894.50 and 172,556.36

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Solution

The fourth proportional to 243,177.38, 364,894.50 and 172,556.36 is: 258,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,177.38 : 364,894.50 = 172,556.36 : x
  2. Step 2: Convert to fraction form
    243,177.38/364,894.50 = 172,556.36/x
  3. Step 3: Cross multiply
    243,177.38x = 364,894.50 × 172,556.36
  4. Step 4: Simplify right side
    243,177.38x = 62,964,866,704.02
  5. Step 5: Solve for x
    x = 62,964,866,704.02/243,177.38
  6. Step 6: Final answer
    x = 258,925.67

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1.5x scale

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.