Home / 320,775.72-442,686.24-184,831.02

Finding the Fourth Proportional to 320,775.72, 442,686.24 and 184,831.02

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Solution

The fourth proportional to 320,775.72, 442,686.24 and 184,831.02 is: 255,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,775.72 : 442,686.24 = 184,831.02 : x
  2. Step 2: Convert to fraction form
    320,775.72/442,686.24 = 184,831.02/x
  3. Step 3: Cross multiply
    320,775.72x = 442,686.24 × 184,831.02
  4. Step 4: Simplify right side
    320,775.72x = 81,822,149,279.16
  5. Step 5: Solve for x
    x = 81,822,149,279.16/320,775.72
  6. Step 6: Final answer
    x = 255,075.88

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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.