Home / 170,821.26-235,715.46-99,187.29

Finding the Fourth Proportional to 170,821.26, 235,715.46 and 99,187.29

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Solution

The fourth proportional to 170,821.26, 235,715.46 and 99,187.29 is: 136,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,821.26 : 235,715.46 = 99,187.29 : x
  2. Step 2: Convert to fraction form
    170,821.26/235,715.46 = 99,187.29/x
  3. Step 3: Cross multiply
    170,821.26x = 235,715.46 × 99,187.29
  4. Step 4: Simplify right side
    170,821.26x = 23,379,977,688.50
  5. Step 5: Solve for x
    x = 23,379,977,688.50/170,821.26
  6. Step 6: Final answer
    x = 136,868.08

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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.