Home / 130,603.01-180,242.89-73,241.24

Finding the Fourth Proportional to 130,603.01, 180,242.89 and 73,241.24

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Solution

The fourth proportional to 130,603.01, 180,242.89 and 73,241.24 is: 101,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,603.01 : 180,242.89 = 73,241.24 : x
  2. Step 2: Convert to fraction form
    130,603.01/180,242.89 = 73,241.24/x
  3. Step 3: Cross multiply
    130,603.01x = 180,242.89 × 73,241.24
  4. Step 4: Simplify right side
    130,603.01x = 13,201,211,680.47
  5. Step 5: Solve for x
    x = 13,201,211,680.47/130,603.01
  6. Step 6: Final answer
    x = 101,078.93

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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.