Home / 130,342.09-179,875.88-73,752.25

Finding the Fourth Proportional to 130,342.09, 179,875.88 and 73,752.25

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Solution

The fourth proportional to 130,342.09, 179,875.88 and 73,752.25 is: 101,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,342.09 : 179,875.88 = 73,752.25 : x
  2. Step 2: Convert to fraction form
    130,342.09/179,875.88 = 73,752.25/x
  3. Step 3: Cross multiply
    130,342.09x = 179,875.88 × 73,752.25
  4. Step 4: Simplify right side
    130,342.09x = 13,266,250,870.73
  5. Step 5: Solve for x
    x = 13,266,250,870.73/130,342.09
  6. Step 6: Final answer
    x = 101,780.25

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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.