Home / 181,795.07-250,791.03-128,109.62

Finding the Fourth Proportional to 181,795.07, 250,791.03 and 128,109.62

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Solution

The fourth proportional to 181,795.07, 250,791.03 and 128,109.62 is: 176,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,795.07 : 250,791.03 = 128,109.62 : x
  2. Step 2: Convert to fraction form
    181,795.07/250,791.03 = 128,109.62/x
  3. Step 3: Cross multiply
    181,795.07x = 250,791.03 × 128,109.62
  4. Step 4: Simplify right side
    181,795.07x = 32,128,742,298.75
  5. Step 5: Solve for x
    x = 32,128,742,298.75/181,795.07
  6. Step 6: Final answer
    x = 176,730.55

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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.