Home / 130,962.03-180,720.68-73,603.59

Finding the Fourth Proportional to 130,962.03, 180,720.68 and 73,603.59

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Solution

The fourth proportional to 130,962.03, 180,720.68 and 73,603.59 is: 101,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,962.03 : 180,720.68 = 73,603.59 : x
  2. Step 2: Convert to fraction form
    130,962.03/180,720.68 = 73,603.59/x
  3. Step 3: Cross multiply
    130,962.03x = 180,720.68 × 73,603.59
  4. Step 4: Simplify right side
    130,962.03x = 13,301,690,467.22
  5. Step 5: Solve for x
    x = 13,301,690,467.22/130,962.03
  6. Step 6: Final answer
    x = 101,569.06

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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.