Home / 153,985.44-212,426.82-96,596.40

Finding the Fourth Proportional to 153,985.44, 212,426.82 and 96,596.40

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Solution

The fourth proportional to 153,985.44, 212,426.82 and 96,596.40 is: 133,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,985.44 : 212,426.82 = 96,596.40 : x
  2. Step 2: Convert to fraction form
    153,985.44/212,426.82 = 96,596.40/x
  3. Step 3: Cross multiply
    153,985.44x = 212,426.82 × 96,596.40
  4. Step 4: Simplify right side
    153,985.44x = 20,519,666,075.45
  5. Step 5: Solve for x
    x = 20,519,666,075.45/153,985.44
  6. Step 6: Final answer
    x = 133,257.18

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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.