Home / 191,928.09-287,929.04-73,590.20

Finding the Fourth Proportional to 191,928.09, 287,929.04 and 73,590.20

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Solution

The fourth proportional to 191,928.09, 287,929.04 and 73,590.20 is: 110,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,928.09 : 287,929.04 = 73,590.20 : x
  2. Step 2: Convert to fraction form
    191,928.09/287,929.04 = 73,590.20/x
  3. Step 3: Cross multiply
    191,928.09x = 287,929.04 × 73,590.20
  4. Step 4: Simplify right side
    191,928.09x = 21,188,753,831.81
  5. Step 5: Solve for x
    x = 21,188,753,831.81/191,928.09
  6. Step 6: Final answer
    x = 110,399.44

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1.5x scale

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.