Home / 170,834.14-235,748.55-99,254.30

Finding the Fourth Proportional to 170,834.14, 235,748.55 and 99,254.30

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Solution

The fourth proportional to 170,834.14, 235,748.55 and 99,254.30 is: 136,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,834.14 : 235,748.55 = 99,254.30 : x
  2. Step 2: Convert to fraction form
    170,834.14/235,748.55 = 99,254.30/x
  3. Step 3: Cross multiply
    170,834.14x = 235,748.55 × 99,254.30
  4. Step 4: Simplify right side
    170,834.14x = 23,399,057,306.27
  5. Step 5: Solve for x
    x = 23,399,057,306.27/170,834.14
  6. Step 6: Final answer
    x = 136,969.44

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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.