Home / 179,009.40-247,036.74-98,440.32

Finding the Fourth Proportional to 179,009.40, 247,036.74 and 98,440.32

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Solution

The fourth proportional to 179,009.40, 247,036.74 and 98,440.32 is: 135,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,009.40 : 247,036.74 = 98,440.32 : x
  2. Step 2: Convert to fraction form
    179,009.40/247,036.74 = 98,440.32/x
  3. Step 3: Cross multiply
    179,009.40x = 247,036.74 × 98,440.32
  4. Step 4: Simplify right side
    179,009.40x = 24,318,375,737.36
  5. Step 5: Solve for x
    x = 24,318,375,737.36/179,009.40
  6. Step 6: Final answer
    x = 135,849.71

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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.