Home / 346,520.70-519,975.45-146,807.10

Finding the Fourth Proportional to 346,520.70, 519,975.45 and 146,807.10

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Solution

The fourth proportional to 346,520.70, 519,975.45 and 146,807.10 is: 220,293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,520.70 : 519,975.45 = 146,807.10 : x
  2. Step 2: Convert to fraction form
    346,520.70/519,975.45 = 146,807.10/x
  3. Step 3: Cross multiply
    346,520.70x = 519,975.45 × 146,807.10
  4. Step 4: Simplify right side
    346,520.70x = 76,336,087,885.70
  5. Step 5: Solve for x
    x = 76,336,087,885.70/346,520.70
  6. Step 6: Final answer
    x = 220,293.01

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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.