Home / 446,931.51-670,186.45-162,421.98

Finding the Fourth Proportional to 446,931.51, 670,186.45 and 162,421.98

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Solution

The fourth proportional to 446,931.51, 670,186.45 and 162,421.98 is: 243,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,931.51 : 670,186.45 = 162,421.98 : x
  2. Step 2: Convert to fraction form
    446,931.51/670,186.45 = 162,421.98/x
  3. Step 3: Cross multiply
    446,931.51x = 670,186.45 × 162,421.98
  4. Step 4: Simplify right side
    446,931.51x = 108,853,010,178.17
  5. Step 5: Solve for x
    x = 108,853,010,178.17/446,931.51
  6. Step 6: Final answer
    x = 243,556.36

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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.