Home / 165,726.72-249,839.36-155,036.16

Finding the Fourth Proportional to 165,726.72, 249,839.36 and 155,036.16

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Solution

The fourth proportional to 165,726.72, 249,839.36 and 155,036.16 is: 233,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,726.72 : 249,839.36 = 155,036.16 : x
  2. Step 2: Convert to fraction form
    165,726.72/249,839.36 = 155,036.16/x
  3. Step 3: Cross multiply
    165,726.72x = 249,839.36 × 155,036.16
  4. Step 4: Simplify right side
    165,726.72x = 38,734,134,991.26
  5. Step 5: Solve for x
    x = 38,734,134,991.26/165,726.72
  6. Step 6: Final answer
    x = 233,722.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.