Home / 123,302.34-170,156.46-66,714.12

Finding the Fourth Proportional to 123,302.34, 170,156.46 and 66,714.12

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Solution

The fourth proportional to 123,302.34, 170,156.46 and 66,714.12 is: 92,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,302.34 : 170,156.46 = 66,714.12 : x
  2. Step 2: Convert to fraction form
    123,302.34/170,156.46 = 66,714.12/x
  3. Step 3: Cross multiply
    123,302.34x = 170,156.46 × 66,714.12
  4. Step 4: Simplify right side
    123,302.34x = 11,351,838,491.22
  5. Step 5: Solve for x
    x = 11,351,838,491.22/123,302.34
  6. Step 6: Final answer
    x = 92,065.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.