Home / 387,173.15-534,332.06-226,079.64

Finding the Fourth Proportional to 387,173.15, 534,332.06 and 226,079.64

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Solution

The fourth proportional to 387,173.15, 534,332.06 and 226,079.64 is: 312,009.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,173.15 : 534,332.06 = 226,079.64 : x
  2. Step 2: Convert to fraction form
    387,173.15/534,332.06 = 226,079.64/x
  3. Step 3: Cross multiply
    387,173.15x = 534,332.06 × 226,079.64
  4. Step 4: Simplify right side
    387,173.15x = 120,801,599,482.66
  5. Step 5: Solve for x
    x = 120,801,599,482.66/387,173.15
  6. Step 6: Final answer
    x = 312,009.24

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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.