Home / 292,919.09-404,209.26-163,835.19

Finding the Fourth Proportional to 292,919.09, 404,209.26 and 163,835.19

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Solution

The fourth proportional to 292,919.09, 404,209.26 and 163,835.19 is: 226,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,919.09 : 404,209.26 = 163,835.19 : x
  2. Step 2: Convert to fraction form
    292,919.09/404,209.26 = 163,835.19/x
  3. Step 3: Cross multiply
    292,919.09x = 404,209.26 × 163,835.19
  4. Step 4: Simplify right side
    292,919.09x = 66,223,700,911.86
  5. Step 5: Solve for x
    x = 66,223,700,911.86/292,919.09
  6. Step 6: Final answer
    x = 226,081.89

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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.