Home / 175,053.10-262,579.65-172,428.70

Finding the Fourth Proportional to 175,053.10, 262,579.65 and 172,428.70

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Solution

The fourth proportional to 175,053.10, 262,579.65 and 172,428.70 is: 258,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,053.10 : 262,579.65 = 172,428.70 : x
  2. Step 2: Convert to fraction form
    175,053.10/262,579.65 = 172,428.70/x
  3. Step 3: Cross multiply
    175,053.10x = 262,579.65 × 172,428.70
  4. Step 4: Simplify right side
    175,053.10x = 45,276,267,695.96
  5. Step 5: Solve for x
    x = 45,276,267,695.96/175,053.10
  6. Step 6: Final answer
    x = 258,643.05

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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.