Home / 233,144.81-321,710.91-147,071.18

Finding the Fourth Proportional to 233,144.81, 321,710.91 and 147,071.18

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Solution

The fourth proportional to 233,144.81, 321,710.91 and 147,071.18 is: 202,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,144.81 : 321,710.91 = 147,071.18 : x
  2. Step 2: Convert to fraction form
    233,144.81/321,710.91 = 147,071.18/x
  3. Step 3: Cross multiply
    233,144.81x = 321,710.91 × 147,071.18
  4. Step 4: Simplify right side
    233,144.81x = 47,314,401,595.71
  5. Step 5: Solve for x
    x = 47,314,401,595.71/233,144.81
  6. Step 6: Final answer
    x = 202,939.97

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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.