Home / 153,927.49-212,303.00-132,453.20

Finding the Fourth Proportional to 153,927.49, 212,303.00 and 132,453.20

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Solution

The fourth proportional to 153,927.49, 212,303.00 and 132,453.20 is: 182,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,927.49 : 212,303.00 = 132,453.20 : x
  2. Step 2: Convert to fraction form
    153,927.49/212,303.00 = 132,453.20/x
  3. Step 3: Cross multiply
    153,927.49x = 212,303.00 × 132,453.20
  4. Step 4: Simplify right side
    153,927.49x = 28,120,209,995.82
  5. Step 5: Solve for x
    x = 28,120,209,995.82/153,927.49
  6. Step 6: Final answer
    x = 182,684.79

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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.