Home / 157,623.04-217,548.80-101,057.28

Finding the Fourth Proportional to 157,623.04, 217,548.80 and 101,057.28

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Solution

The fourth proportional to 157,623.04, 217,548.80 and 101,057.28 is: 139,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,623.04 : 217,548.80 = 101,057.28 : x
  2. Step 2: Convert to fraction form
    157,623.04/217,548.80 = 101,057.28/x
  3. Step 3: Cross multiply
    157,623.04x = 217,548.80 × 101,057.28
  4. Step 4: Simplify right side
    157,623.04x = 21,984,889,995.26
  5. Step 5: Solve for x
    x = 21,984,889,995.26/157,623.04
  6. Step 6: Final answer
    x = 139,477.64

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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.