Home / 164,830.40-246,917.55-89,816.30

Finding the Fourth Proportional to 164,830.40, 246,917.55 and 89,816.30

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Solution

The fourth proportional to 164,830.40, 246,917.55 and 89,816.30 is: 134,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,830.40 : 246,917.55 = 89,816.30 : x
  2. Step 2: Convert to fraction form
    164,830.40/246,917.55 = 89,816.30/x
  3. Step 3: Cross multiply
    164,830.40x = 246,917.55 × 89,816.30
  4. Step 4: Simplify right side
    164,830.40x = 22,177,220,746.07
  5. Step 5: Solve for x
    x = 22,177,220,746.07/164,830.40
  6. Step 6: Final answer
    x = 134,545.70

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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.