Home / 316,831.82-437,211.19-180,860.36

Finding the Fourth Proportional to 316,831.82, 437,211.19 and 180,860.36

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Solution

The fourth proportional to 316,831.82, 437,211.19 and 180,860.36 is: 249,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,831.82 : 437,211.19 = 180,860.36 : x
  2. Step 2: Convert to fraction form
    316,831.82/437,211.19 = 180,860.36/x
  3. Step 3: Cross multiply
    316,831.82x = 437,211.19 × 180,860.36
  4. Step 4: Simplify right side
    316,831.82x = 79,074,172,701.42
  5. Step 5: Solve for x
    x = 79,074,172,701.42/316,831.82
  6. Step 6: Final answer
    x = 249,577.75

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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.