Home / 170,391.65-235,140.48-98,813.18

Finding the Fourth Proportional to 170,391.65, 235,140.48 and 98,813.18

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Solution

The fourth proportional to 170,391.65, 235,140.48 and 98,813.18 is: 136,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,391.65 : 235,140.48 = 98,813.18 : x
  2. Step 2: Convert to fraction form
    170,391.65/235,140.48 = 98,813.18/x
  3. Step 3: Cross multiply
    170,391.65x = 235,140.48 × 98,813.18
  4. Step 4: Simplify right side
    170,391.65x = 23,234,979,163.38
  5. Step 5: Solve for x
    x = 23,234,979,163.38/170,391.65
  6. Step 6: Final answer
    x = 136,362.20

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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.