Home / 346,313.80-519,422.10-109,680.40

Finding the Fourth Proportional to 346,313.80, 519,422.10 and 109,680.40

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Solution

The fourth proportional to 346,313.80, 519,422.10 and 109,680.40 is: 164,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,313.80 : 519,422.10 = 109,680.40 : x
  2. Step 2: Convert to fraction form
    346,313.80/519,422.10 = 109,680.40/x
  3. Step 3: Cross multiply
    346,313.80x = 519,422.10 × 109,680.40
  4. Step 4: Simplify right side
    346,313.80x = 56,970,423,696.84
  5. Step 5: Solve for x
    x = 56,970,423,696.84/346,313.80
  6. Step 6: Final answer
    x = 164,505.21

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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.