Home / 149,815.04-206,750.83-86,152.83

Finding the Fourth Proportional to 149,815.04, 206,750.83 and 86,152.83

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Solution

The fourth proportional to 149,815.04, 206,750.83 and 86,152.83 is: 118,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,815.04 : 206,750.83 = 86,152.83 : x
  2. Step 2: Convert to fraction form
    149,815.04/206,750.83 = 86,152.83/x
  3. Step 3: Cross multiply
    149,815.04x = 206,750.83 × 86,152.83
  4. Step 4: Simplify right side
    149,815.04x = 17,812,168,893.97
  5. Step 5: Solve for x
    x = 17,812,168,893.97/149,815.04
  6. Step 6: Final answer
    x = 118,894.40

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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.