Home / 348,734.50-523,106.61-99,416.50

Finding the Fourth Proportional to 348,734.50, 523,106.61 and 99,416.50

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Solution

The fourth proportional to 348,734.50, 523,106.61 and 99,416.50 is: 149,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,734.50 : 523,106.61 = 99,416.50 : x
  2. Step 2: Convert to fraction form
    348,734.50/523,106.61 = 99,416.50/x
  3. Step 3: Cross multiply
    348,734.50x = 523,106.61 × 99,416.50
  4. Step 4: Simplify right side
    348,734.50x = 52,005,428,293.07
  5. Step 5: Solve for x
    x = 52,005,428,293.07/348,734.50
  6. Step 6: Final answer
    x = 149,126.14

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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.