Home / 348,812.10-523,218.15-112,178.70

Finding the Fourth Proportional to 348,812.10, 523,218.15 and 112,178.70

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Solution

The fourth proportional to 348,812.10, 523,218.15 and 112,178.70 is: 168,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,812.10 : 523,218.15 = 112,178.70 : x
  2. Step 2: Convert to fraction form
    348,812.10/523,218.15 = 112,178.70/x
  3. Step 3: Cross multiply
    348,812.10x = 523,218.15 × 112,178.70
  4. Step 4: Simplify right side
    348,812.10x = 58,693,931,883.41
  5. Step 5: Solve for x
    x = 58,693,931,883.41/348,812.10
  6. Step 6: Final answer
    x = 168,268.05

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1.5x scale

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.