Home / 179,312.87-247,453.38-98,740.72

Finding the Fourth Proportional to 179,312.87, 247,453.38 and 98,740.72

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Solution

The fourth proportional to 179,312.87, 247,453.38 and 98,740.72 is: 136,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,312.87 : 247,453.38 = 98,740.72 : x
  2. Step 2: Convert to fraction form
    179,312.87/247,453.38 = 98,740.72/x
  3. Step 3: Cross multiply
    179,312.87x = 247,453.38 × 98,740.72
  4. Step 4: Simplify right side
    179,312.87x = 24,433,724,907.63
  5. Step 5: Solve for x
    x = 24,433,724,907.63/179,312.87
  6. Step 6: Final answer
    x = 136,263.09

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1.5x scale

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.