Home / 233,130.48-321,719.53-131,155.98

Finding the Fourth Proportional to 233,130.48, 321,719.53 and 131,155.98

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Solution

The fourth proportional to 233,130.48, 321,719.53 and 131,155.98 is: 180,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,130.48 : 321,719.53 = 131,155.98 : x
  2. Step 2: Convert to fraction form
    233,130.48/321,719.53 = 131,155.98/x
  3. Step 3: Cross multiply
    233,130.48x = 321,719.53 × 131,155.98
  4. Step 4: Simplify right side
    233,130.48x = 42,195,440,242.29
  5. Step 5: Solve for x
    x = 42,195,440,242.29/233,130.48
  6. Step 6: Final answer
    x = 180,994.95

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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.