Home / 230,817.19-346,264.07-81,018.63

Finding the Fourth Proportional to 230,817.19, 346,264.07 and 81,018.63

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Solution

The fourth proportional to 230,817.19, 346,264.07 and 81,018.63 is: 121,541.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,817.19 : 346,264.07 = 81,018.63 : x
  2. Step 2: Convert to fraction form
    230,817.19/346,264.07 = 81,018.63/x
  3. Step 3: Cross multiply
    230,817.19x = 346,264.07 × 81,018.63
  4. Step 4: Simplify right side
    230,817.19x = 28,053,840,569.62
  5. Step 5: Solve for x
    x = 28,053,840,569.62/230,817.19
  6. Step 6: Final answer
    x = 121,541.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.