Home / 164,923.40-247,385.10-98,438.60

Finding the Fourth Proportional to 164,923.40, 247,385.10 and 98,438.60

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Solution

The fourth proportional to 164,923.40, 247,385.10 and 98,438.60 is: 147,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,923.40 : 247,385.10 = 98,438.60 : x
  2. Step 2: Convert to fraction form
    164,923.40/247,385.10 = 98,438.60/x
  3. Step 3: Cross multiply
    164,923.40x = 247,385.10 × 98,438.60
  4. Step 4: Simplify right side
    164,923.40x = 24,352,242,904.86
  5. Step 5: Solve for x
    x = 24,352,242,904.86/164,923.40
  6. Step 6: Final answer
    x = 147,657.90

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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.