Home / 170,410.65-235,139.04-98,776.68

Finding the Fourth Proportional to 170,410.65, 235,139.04 and 98,776.68

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Solution

The fourth proportional to 170,410.65, 235,139.04 and 98,776.68 is: 136,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,410.65 : 235,139.04 = 98,776.68 : x
  2. Step 2: Convert to fraction form
    170,410.65/235,139.04 = 98,776.68/x
  3. Step 3: Cross multiply
    170,410.65x = 235,139.04 × 98,776.68
  4. Step 4: Simplify right side
    170,410.65x = 23,226,253,709.59
  5. Step 5: Solve for x
    x = 23,226,253,709.59/170,410.65
  6. Step 6: Final answer
    x = 136,295.79

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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.