Home / 145,256.06-200,463.59-81,593.91

Finding the Fourth Proportional to 145,256.06, 200,463.59 and 81,593.91

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Solution

The fourth proportional to 145,256.06, 200,463.59 and 81,593.91 is: 112,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,256.06 : 200,463.59 = 81,593.91 : x
  2. Step 2: Convert to fraction form
    145,256.06/200,463.59 = 81,593.91/x
  3. Step 3: Cross multiply
    145,256.06x = 200,463.59 × 81,593.91
  4. Step 4: Simplify right side
    145,256.06x = 16,356,608,324.72
  5. Step 5: Solve for x
    x = 16,356,608,324.72/145,256.06
  6. Step 6: Final answer
    x = 112,605.34

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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.