Home / 123,303.27-170,158.50-66,714.65

Finding the Fourth Proportional to 123,303.27, 170,158.50 and 66,714.65

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Solution

The fourth proportional to 123,303.27, 170,158.50 and 66,714.65 is: 92,066.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,303.27 : 170,158.50 = 66,714.65 : x
  2. Step 2: Convert to fraction form
    123,303.27/170,158.50 = 66,714.65/x
  3. Step 3: Cross multiply
    123,303.27x = 170,158.50 × 66,714.65
  4. Step 4: Simplify right side
    123,303.27x = 11,352,064,772.03
  5. Step 5: Solve for x
    x = 11,352,064,772.03/123,303.27
  6. Step 6: Final answer
    x = 92,066.21

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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.