Home / 177,897.79-245,509.83-102,470.59

Finding the Fourth Proportional to 177,897.79, 245,509.83 and 102,470.59

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Solution

The fourth proportional to 177,897.79, 245,509.83 and 102,470.59 is: 141,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,897.79 : 245,509.83 = 102,470.59 : x
  2. Step 2: Convert to fraction form
    177,897.79/245,509.83 = 102,470.59/x
  3. Step 3: Cross multiply
    177,897.79x = 245,509.83 × 102,470.59
  4. Step 4: Simplify right side
    177,897.79x = 25,157,537,130.90
  5. Step 5: Solve for x
    x = 25,157,537,130.90/177,897.79
  6. Step 6: Final answer
    x = 141,415.68

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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.