Home / 130,284.73-179,777.78-72,927.24

Finding the Fourth Proportional to 130,284.73, 179,777.78 and 72,927.24

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Solution

The fourth proportional to 130,284.73, 179,777.78 and 72,927.24 is: 100,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,284.73 : 179,777.78 = 72,927.24 : x
  2. Step 2: Convert to fraction form
    130,284.73/179,777.78 = 72,927.24/x
  3. Step 3: Cross multiply
    130,284.73x = 179,777.78 × 72,927.24
  4. Step 4: Simplify right side
    130,284.73x = 13,110,697,308.73
  5. Step 5: Solve for x
    x = 13,110,697,308.73/130,284.73
  6. Step 6: Final answer
    x = 100,631.11

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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.