Home / 142,009.26-195,937.83-86,804.64

Finding the Fourth Proportional to 142,009.26, 195,937.83 and 86,804.64

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Solution

The fourth proportional to 142,009.26, 195,937.83 and 86,804.64 is: 119,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,009.26 : 195,937.83 = 86,804.64 : x
  2. Step 2: Convert to fraction form
    142,009.26/195,937.83 = 86,804.64/x
  3. Step 3: Cross multiply
    142,009.26x = 195,937.83 × 86,804.64
  4. Step 4: Simplify right side
    142,009.26x = 17,008,312,795.53
  5. Step 5: Solve for x
    x = 17,008,312,795.53/142,009.26
  6. Step 6: Final answer
    x = 119,769.04

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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.