Home / 374,312.07-516,642.45-213,262.08

Finding the Fourth Proportional to 374,312.07, 516,642.45 and 213,262.08

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Solution

The fourth proportional to 374,312.07, 516,642.45 and 213,262.08 is: 294,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,312.07 : 516,642.45 = 213,262.08 : x
  2. Step 2: Convert to fraction form
    374,312.07/516,642.45 = 213,262.08/x
  3. Step 3: Cross multiply
    374,312.07x = 516,642.45 × 213,262.08
  4. Step 4: Simplify right side
    374,312.07x = 110,180,243,503.30
  5. Step 5: Solve for x
    x = 110,180,243,503.30/374,312.07
  6. Step 6: Final answer
    x = 294,353.97

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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.