Home / 130,060.38-179,483.25-76,345.39

Finding the Fourth Proportional to 130,060.38, 179,483.25 and 76,345.39

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Solution

The fourth proportional to 130,060.38, 179,483.25 and 76,345.39 is: 105,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,060.38 : 179,483.25 = 76,345.39 : x
  2. Step 2: Convert to fraction form
    130,060.38/179,483.25 = 76,345.39/x
  3. Step 3: Cross multiply
    130,060.38x = 179,483.25 × 76,345.39
  4. Step 4: Simplify right side
    130,060.38x = 13,702,718,006.05
  5. Step 5: Solve for x
    x = 13,702,718,006.05/130,060.38
  6. Step 6: Final answer
    x = 105,356.59

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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.