Home / 153,582.12-231,075.90-91,299.24

Finding the Fourth Proportional to 153,582.12, 231,075.90 and 91,299.24

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Solution

The fourth proportional to 153,582.12, 231,075.90 and 91,299.24 is: 137,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,582.12 : 231,075.90 = 91,299.24 : x
  2. Step 2: Convert to fraction form
    153,582.12/231,075.90 = 91,299.24/x
  3. Step 3: Cross multiply
    153,582.12x = 231,075.90 × 91,299.24
  4. Step 4: Simplify right side
    153,582.12x = 21,097,054,052.32
  5. Step 5: Solve for x
    x = 21,097,054,052.32/153,582.12
  6. Step 6: Final answer
    x = 137,366.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.