Home / 177,105.51-265,602.38-70,443.09

Finding the Fourth Proportional to 177,105.51, 265,602.38 and 70,443.09

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Solution

The fourth proportional to 177,105.51, 265,602.38 and 70,443.09 is: 105,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,105.51 : 265,602.38 = 70,443.09 : x
  2. Step 2: Convert to fraction form
    177,105.51/265,602.38 = 70,443.09/x
  3. Step 3: Cross multiply
    177,105.51x = 265,602.38 × 70,443.09
  4. Step 4: Simplify right side
    177,105.51x = 18,709,852,006.34
  5. Step 5: Solve for x
    x = 18,709,852,006.34/177,105.51
  6. Step 6: Final answer
    x = 105,642.40

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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.