Home / 170,955.12-256,210.65-69,635.01

Finding the Fourth Proportional to 170,955.12, 256,210.65 and 69,635.01

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Solution

The fourth proportional to 170,955.12, 256,210.65 and 69,635.01 is: 104,362.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,955.12 : 256,210.65 = 69,635.01 : x
  2. Step 2: Convert to fraction form
    170,955.12/256,210.65 = 69,635.01/x
  3. Step 3: Cross multiply
    170,955.12x = 256,210.65 × 69,635.01
  4. Step 4: Simplify right side
    170,955.12x = 17,841,231,174.86
  5. Step 5: Solve for x
    x = 17,841,231,174.86/170,955.12
  6. Step 6: Final answer
    x = 104,362.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.