Home / 146,215.20-219,322.80-52,730.40

Finding the Fourth Proportional to 146,215.20, 219,322.80 and 52,730.40

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Solution

The fourth proportional to 146,215.20, 219,322.80 and 52,730.40 is: 79,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,215.20 : 219,322.80 = 52,730.40 : x
  2. Step 2: Convert to fraction form
    146,215.20/219,322.80 = 52,730.40/x
  3. Step 3: Cross multiply
    146,215.20x = 219,322.80 × 52,730.40
  4. Step 4: Simplify right side
    146,215.20x = 11,564,978,973.12
  5. Step 5: Solve for x
    x = 11,564,978,973.12/146,215.20
  6. Step 6: Final answer
    x = 79,095.60

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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.