Home / 112,205.40-168,266.11-48,155.46

Finding the Fourth Proportional to 112,205.40, 168,266.11 and 48,155.46

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Solution

The fourth proportional to 112,205.40, 168,266.11 and 48,155.46 is: 72,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,205.40 : 168,266.11 = 48,155.46 : x
  2. Step 2: Convert to fraction form
    112,205.40/168,266.11 = 48,155.46/x
  3. Step 3: Cross multiply
    112,205.40x = 168,266.11 × 48,155.46
  4. Step 4: Simplify right side
    112,205.40x = 8,102,931,929.46
  5. Step 5: Solve for x
    x = 8,102,931,929.46/112,205.40
  6. Step 6: Final answer
    x = 72,215.17

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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.