Home / 142,455.83-213,604.88-58,275.14

Finding the Fourth Proportional to 142,455.83, 213,604.88 and 58,275.14

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Solution

The fourth proportional to 142,455.83, 213,604.88 and 58,275.14 is: 87,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,455.83 : 213,604.88 = 58,275.14 : x
  2. Step 2: Convert to fraction form
    142,455.83/213,604.88 = 58,275.14/x
  3. Step 3: Cross multiply
    142,455.83x = 213,604.88 × 58,275.14
  4. Step 4: Simplify right side
    142,455.83x = 12,447,852,927.28
  5. Step 5: Solve for x
    x = 12,447,852,927.28/142,455.83
  6. Step 6: Final answer
    x = 87,380.44

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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.