Home / 210,088.92-315,085.39-60,328.02

Finding the Fourth Proportional to 210,088.92, 315,085.39 and 60,328.02

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Solution

The fourth proportional to 210,088.92, 315,085.39 and 60,328.02 is: 90,478.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,088.92 : 315,085.39 = 60,328.02 : x
  2. Step 2: Convert to fraction form
    210,088.92/315,085.39 = 60,328.02/x
  3. Step 3: Cross multiply
    210,088.92x = 315,085.39 × 60,328.02
  4. Step 4: Simplify right side
    210,088.92x = 19,008,477,407.99
  5. Step 5: Solve for x
    x = 19,008,477,407.99/210,088.92
  6. Step 6: Final answer
    x = 90,478.25

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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.