Home / 152,017.24-209,780.70-84,037.08

Finding the Fourth Proportional to 152,017.24, 209,780.70 and 84,037.08

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Solution

The fourth proportional to 152,017.24, 209,780.70 and 84,037.08 is: 115,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,017.24 : 209,780.70 = 84,037.08 : x
  2. Step 2: Convert to fraction form
    152,017.24/209,780.70 = 84,037.08/x
  3. Step 3: Cross multiply
    152,017.24x = 209,780.70 × 84,037.08
  4. Step 4: Simplify right side
    152,017.24x = 17,629,357,468.36
  5. Step 5: Solve for x
    x = 17,629,357,468.36/152,017.24
  6. Step 6: Final answer
    x = 115,969.46

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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.