Home / 175,973.72-242,780.09-115,577.08

Finding the Fourth Proportional to 175,973.72, 242,780.09 and 115,577.08

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Solution

The fourth proportional to 175,973.72, 242,780.09 and 115,577.08 is: 159,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,973.72 : 242,780.09 = 115,577.08 : x
  2. Step 2: Convert to fraction form
    175,973.72/242,780.09 = 115,577.08/x
  3. Step 3: Cross multiply
    175,973.72x = 242,780.09 × 115,577.08
  4. Step 4: Simplify right side
    175,973.72x = 28,059,812,699.50
  5. Step 5: Solve for x
    x = 28,059,812,699.50/175,973.72
  6. Step 6: Final answer
    x = 159,454.57

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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.