Home / 177,788.48-245,374.80-102,322.40

Finding the Fourth Proportional to 177,788.48, 245,374.80 and 102,322.40

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Solution

The fourth proportional to 177,788.48, 245,374.80 and 102,322.40 is: 141,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,788.48 : 245,374.80 = 102,322.40 : x
  2. Step 2: Convert to fraction form
    177,788.48/245,374.80 = 102,322.40/x
  3. Step 3: Cross multiply
    177,788.48x = 245,374.80 × 102,322.40
  4. Step 4: Simplify right side
    177,788.48x = 25,107,338,435.52
  5. Step 5: Solve for x
    x = 25,107,338,435.52/177,788.48
  6. Step 6: Final answer
    x = 141,220.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.