Home / 112,384.80-168,577.20-70,394.40

Finding the Fourth Proportional to 112,384.80, 168,577.20 and 70,394.40

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Solution

The fourth proportional to 112,384.80, 168,577.20 and 70,394.40 is: 105,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,384.80 : 168,577.20 = 70,394.40 : x
  2. Step 2: Convert to fraction form
    112,384.80/168,577.20 = 70,394.40/x
  3. Step 3: Cross multiply
    112,384.80x = 168,577.20 × 70,394.40
  4. Step 4: Simplify right side
    112,384.80x = 11,866,890,847.68
  5. Step 5: Solve for x
    x = 11,866,890,847.68/112,384.80
  6. Step 6: Final answer
    x = 105,591.60

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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.