Home / 176,742.16-265,106.68-76,902.36

Finding the Fourth Proportional to 176,742.16, 265,106.68 and 76,902.36

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Solution

The fourth proportional to 176,742.16, 265,106.68 and 76,902.36 is: 115,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,742.16 : 265,106.68 = 76,902.36 : x
  2. Step 2: Convert to fraction form
    176,742.16/265,106.68 = 76,902.36/x
  3. Step 3: Cross multiply
    176,742.16x = 265,106.68 × 76,902.36
  4. Step 4: Simplify right side
    176,742.16x = 20,387,329,343.76
  5. Step 5: Solve for x
    x = 20,387,329,343.76/176,742.16
  6. Step 6: Final answer
    x = 115,350.69

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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.