Home / 210,087.19-315,048.66-73,275.76

Finding the Fourth Proportional to 210,087.19, 315,048.66 and 73,275.76

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Solution

The fourth proportional to 210,087.19, 315,048.66 and 73,275.76 is: 109,885.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,087.19 : 315,048.66 = 73,275.76 : x
  2. Step 2: Convert to fraction form
    210,087.19/315,048.66 = 73,275.76/x
  3. Step 3: Cross multiply
    210,087.19x = 315,048.66 × 73,275.76
  4. Step 4: Simplify right side
    210,087.19x = 23,085,429,998.48
  5. Step 5: Solve for x
    x = 23,085,429,998.48/210,087.19
  6. Step 6: Final answer
    x = 109,885.00

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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.