Home / 145,827.17-219,528.56-131,162.95

Finding the Fourth Proportional to 145,827.17, 219,528.56 and 131,162.95

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Solution

The fourth proportional to 145,827.17, 219,528.56 and 131,162.95 is: 197,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,827.17 : 219,528.56 = 131,162.95 : x
  2. Step 2: Convert to fraction form
    145,827.17/219,528.56 = 131,162.95/x
  3. Step 3: Cross multiply
    145,827.17x = 219,528.56 × 131,162.95
  4. Step 4: Simplify right side
    145,827.17x = 28,794,012,826.08
  5. Step 5: Solve for x
    x = 28,794,012,826.08/145,827.17
  6. Step 6: Final answer
    x = 197,453.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.