Home / 130,407.52-179,962.48-73,837.12

Finding the Fourth Proportional to 130,407.52, 179,962.48 and 73,837.12

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Solution

The fourth proportional to 130,407.52, 179,962.48 and 73,837.12 is: 101,895.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,407.52 : 179,962.48 = 73,837.12 : x
  2. Step 2: Convert to fraction form
    130,407.52/179,962.48 = 73,837.12/x
  3. Step 3: Cross multiply
    130,407.52x = 179,962.48 × 73,837.12
  4. Step 4: Simplify right side
    130,407.52x = 13,287,911,231.26
  5. Step 5: Solve for x
    x = 13,287,911,231.26/130,407.52
  6. Step 6: Final answer
    x = 101,895.28

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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.