Home / 209,095.04-288,533.25-115,963.79

Finding the Fourth Proportional to 209,095.04, 288,533.25 and 115,963.79

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Solution

The fourth proportional to 209,095.04, 288,533.25 and 115,963.79 is: 160,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,095.04 : 288,533.25 = 115,963.79 : x
  2. Step 2: Convert to fraction form
    209,095.04/288,533.25 = 115,963.79/x
  3. Step 3: Cross multiply
    209,095.04x = 288,533.25 × 115,963.79
  4. Step 4: Simplify right side
    209,095.04x = 33,459,407,768.35
  5. Step 5: Solve for x
    x = 33,459,407,768.35/209,095.04
  6. Step 6: Final answer
    x = 160,020.09

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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.