Home / 201,932.10-302,895.45-61,691.40

Finding the Fourth Proportional to 201,932.10, 302,895.45 and 61,691.40

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Solution

The fourth proportional to 201,932.10, 302,895.45 and 61,691.40 is: 92,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,932.10 : 302,895.45 = 61,691.40 : x
  2. Step 2: Convert to fraction form
    201,932.10/302,895.45 = 61,691.40/x
  3. Step 3: Cross multiply
    201,932.10x = 302,895.45 × 61,691.40
  4. Step 4: Simplify right side
    201,932.10x = 18,686,044,364.13
  5. Step 5: Solve for x
    x = 18,686,044,364.13/201,932.10
  6. Step 6: Final answer
    x = 92,536.28

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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.