Home / 353,549.16-530,328.06-104,236.20

Finding the Fourth Proportional to 353,549.16, 530,328.06 and 104,236.20

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Solution

The fourth proportional to 353,549.16, 530,328.06 and 104,236.20 is: 156,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,549.16 : 530,328.06 = 104,236.20 : x
  2. Step 2: Convert to fraction form
    353,549.16/530,328.06 = 104,236.20/x
  3. Step 3: Cross multiply
    353,549.16x = 530,328.06 × 104,236.20
  4. Step 4: Simplify right side
    353,549.16x = 55,279,381,727.77
  5. Step 5: Solve for x
    x = 55,279,381,727.77/353,549.16
  6. Step 6: Final answer
    x = 156,355.57

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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.