Home / 266,769.16-368,153.23-153,628.36

Finding the Fourth Proportional to 266,769.16, 368,153.23 and 153,628.36

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Solution

The fourth proportional to 266,769.16, 368,153.23 and 153,628.36 is: 212,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,769.16 : 368,153.23 = 153,628.36 : x
  2. Step 2: Convert to fraction form
    266,769.16/368,153.23 = 153,628.36/x
  3. Step 3: Cross multiply
    266,769.16x = 368,153.23 × 153,628.36
  4. Step 4: Simplify right side
    266,769.16x = 56,558,776,953.60
  5. Step 5: Solve for x
    x = 56,558,776,953.60/266,769.16
  6. Step 6: Final answer
    x = 212,013.93

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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.