Home / 434,101.06-651,176.19-134,624.20

Finding the Fourth Proportional to 434,101.06, 651,176.19 and 134,624.20

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Solution

The fourth proportional to 434,101.06, 651,176.19 and 134,624.20 is: 201,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,101.06 : 651,176.19 = 134,624.20 : x
  2. Step 2: Convert to fraction form
    434,101.06/651,176.19 = 134,624.20/x
  3. Step 3: Cross multiply
    434,101.06x = 651,176.19 × 134,624.20
  4. Step 4: Simplify right side
    434,101.06x = 87,664,073,637.80
  5. Step 5: Solve for x
    x = 87,664,073,637.80/434,101.06
  6. Step 6: Final answer
    x = 201,943.93

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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.