Home / 179,355.25-247,488.58-102,870.40

Finding the Fourth Proportional to 179,355.25, 247,488.58 and 102,870.40

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Solution

The fourth proportional to 179,355.25, 247,488.58 and 102,870.40 is: 141,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,355.25 : 247,488.58 = 102,870.40 : x
  2. Step 2: Convert to fraction form
    179,355.25/247,488.58 = 102,870.40/x
  3. Step 3: Cross multiply
    179,355.25x = 247,488.58 × 102,870.40
  4. Step 4: Simplify right side
    179,355.25x = 25,459,247,468.24
  5. Step 5: Solve for x
    x = 25,459,247,468.24/179,355.25
  6. Step 6: Final answer
    x = 141,948.72

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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.