Home / 122,247.68-183,218.56-66,085.76

Finding the Fourth Proportional to 122,247.68, 183,218.56 and 66,085.76

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Solution

The fourth proportional to 122,247.68, 183,218.56 and 66,085.76 is: 99,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,247.68 : 183,218.56 = 66,085.76 : x
  2. Step 2: Convert to fraction form
    122,247.68/183,218.56 = 66,085.76/x
  3. Step 3: Cross multiply
    122,247.68x = 183,218.56 × 66,085.76
  4. Step 4: Simplify right side
    122,247.68x = 12,108,137,783.71
  5. Step 5: Solve for x
    x = 12,108,137,783.71/122,247.68
  6. Step 6: Final answer
    x = 99,045.95

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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.