Home / 177,128.24-265,594.83-121,031.69

Finding the Fourth Proportional to 177,128.24, 265,594.83 and 121,031.69

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Solution

The fourth proportional to 177,128.24, 265,594.83 and 121,031.69 is: 181,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,128.24 : 265,594.83 = 121,031.69 : x
  2. Step 2: Convert to fraction form
    177,128.24/265,594.83 = 121,031.69/x
  3. Step 3: Cross multiply
    177,128.24x = 265,594.83 × 121,031.69
  4. Step 4: Simplify right side
    177,128.24x = 32,145,389,802.19
  5. Step 5: Solve for x
    x = 32,145,389,802.19/177,128.24
  6. Step 6: Final answer
    x = 181,480.89

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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.