Home / 346,015.76-519,228.60-146,325.20

Finding the Fourth Proportional to 346,015.76, 519,228.60 and 146,325.20

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Solution

The fourth proportional to 346,015.76, 519,228.60 and 146,325.20 is: 219,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,015.76 : 519,228.60 = 146,325.20 : x
  2. Step 2: Convert to fraction form
    346,015.76/519,228.60 = 146,325.20/x
  3. Step 3: Cross multiply
    346,015.76x = 519,228.60 × 146,325.20
  4. Step 4: Simplify right side
    346,015.76x = 75,976,228,740.72
  5. Step 5: Solve for x
    x = 75,976,228,740.72/346,015.76
  6. Step 6: Final answer
    x = 219,574.47

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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.