Home / 130,681.66-180,338.30-73,322.04

Finding the Fourth Proportional to 130,681.66, 180,338.30 and 73,322.04

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Solution

The fourth proportional to 130,681.66, 180,338.30 and 73,322.04 is: 101,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,681.66 : 180,338.30 = 73,322.04 : x
  2. Step 2: Convert to fraction form
    130,681.66/180,338.30 = 73,322.04/x
  3. Step 3: Cross multiply
    130,681.66x = 180,338.30 × 73,322.04
  4. Step 4: Simplify right side
    130,681.66x = 13,222,772,046.13
  5. Step 5: Solve for x
    x = 13,222,772,046.13/130,681.66
  6. Step 6: Final answer
    x = 101,183.07

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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.