Home / 186,548.04-257,428.80-101,663.28

Finding the Fourth Proportional to 186,548.04, 257,428.80 and 101,663.28

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Solution

The fourth proportional to 186,548.04, 257,428.80 and 101,663.28 is: 140,291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,548.04 : 257,428.80 = 101,663.28 : x
  2. Step 2: Convert to fraction form
    186,548.04/257,428.80 = 101,663.28/x
  3. Step 3: Cross multiply
    186,548.04x = 257,428.80 × 101,663.28
  4. Step 4: Simplify right side
    186,548.04x = 26,171,056,174.46
  5. Step 5: Solve for x
    x = 26,171,056,174.46/186,548.04
  6. Step 6: Final answer
    x = 140,291.24

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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.