Home / 175,095.10-262,642.65-81,783.10

Finding the Fourth Proportional to 175,095.10, 262,642.65 and 81,783.10

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Solution

The fourth proportional to 175,095.10, 262,642.65 and 81,783.10 is: 122,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,095.10 : 262,642.65 = 81,783.10 : x
  2. Step 2: Convert to fraction form
    175,095.10/262,642.65 = 81,783.10/x
  3. Step 3: Cross multiply
    175,095.10x = 262,642.65 × 81,783.10
  4. Step 4: Simplify right side
    175,095.10x = 21,479,730,109.22
  5. Step 5: Solve for x
    x = 21,479,730,109.22/175,095.10
  6. Step 6: Final answer
    x = 122,674.65

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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.