Home / 175,083.10-262,624.65-86,509.60

Finding the Fourth Proportional to 175,083.10, 262,624.65 and 86,509.60

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Solution

The fourth proportional to 175,083.10, 262,624.65 and 86,509.60 is: 129,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,083.10 : 262,624.65 = 86,509.60 : x
  2. Step 2: Convert to fraction form
    175,083.10/262,624.65 = 86,509.60/x
  3. Step 3: Cross multiply
    175,083.10x = 262,624.65 × 86,509.60
  4. Step 4: Simplify right side
    175,083.10x = 22,719,553,421.64
  5. Step 5: Solve for x
    x = 22,719,553,421.64/175,083.10
  6. Step 6: Final answer
    x = 129,764.40

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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.