Home / 220,186.16-303,875.64-124,709.84

Finding the Fourth Proportional to 220,186.16, 303,875.64 and 124,709.84

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Solution

The fourth proportional to 220,186.16, 303,875.64 and 124,709.84 is: 172,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,186.16 : 303,875.64 = 124,709.84 : x
  2. Step 2: Convert to fraction form
    220,186.16/303,875.64 = 124,709.84/x
  3. Step 3: Cross multiply
    220,186.16x = 303,875.64 × 124,709.84
  4. Step 4: Simplify right side
    220,186.16x = 37,896,282,444.30
  5. Step 5: Solve for x
    x = 37,896,282,444.30/220,186.16
  6. Step 6: Final answer
    x = 172,110.19

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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.