Home / 177,509.40-265,987.62-111,707.16

Finding the Fourth Proportional to 177,509.40, 265,987.62 and 111,707.16

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Solution

The fourth proportional to 177,509.40, 265,987.62 and 111,707.16 is: 167,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,509.40 : 265,987.62 = 111,707.16 : x
  2. Step 2: Convert to fraction form
    177,509.40/265,987.62 = 111,707.16/x
  3. Step 3: Cross multiply
    177,509.40x = 265,987.62 × 111,707.16
  4. Step 4: Simplify right side
    177,509.40x = 29,712,721,625.36
  5. Step 5: Solve for x
    x = 29,712,721,625.36/177,509.40
  6. Step 6: Final answer
    x = 167,386.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.