Home / 229,606.26-316,882.28-139,012.14

Finding the Fourth Proportional to 229,606.26, 316,882.28 and 139,012.14

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Solution

The fourth proportional to 229,606.26, 316,882.28 and 139,012.14 is: 191,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,606.26 : 316,882.28 = 139,012.14 : x
  2. Step 2: Convert to fraction form
    229,606.26/316,882.28 = 139,012.14/x
  3. Step 3: Cross multiply
    229,606.26x = 316,882.28 × 139,012.14
  4. Step 4: Simplify right side
    229,606.26x = 44,050,483,870.88
  5. Step 5: Solve for x
    x = 44,050,483,870.88/229,606.26
  6. Step 6: Final answer
    x = 191,852.28

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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.