Home / 147,588.86-203,688.33-90,261.74

Finding the Fourth Proportional to 147,588.86, 203,688.33 and 90,261.74

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Solution

The fourth proportional to 147,588.86, 203,688.33 and 90,261.74 is: 124,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,588.86 : 203,688.33 = 90,261.74 : x
  2. Step 2: Convert to fraction form
    147,588.86/203,688.33 = 90,261.74/x
  3. Step 3: Cross multiply
    147,588.86x = 203,688.33 × 90,261.74
  4. Step 4: Simplify right side
    147,588.86x = 18,385,263,083.49
  5. Step 5: Solve for x
    x = 18,385,263,083.49/147,588.86
  6. Step 6: Final answer
    x = 124,570.80

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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.