Home / 123,303.18-170,158.71-66,714.54

Finding the Fourth Proportional to 123,303.18, 170,158.71 and 66,714.54

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Solution

The fourth proportional to 123,303.18, 170,158.71 and 66,714.54 is: 92,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,303.18 : 170,158.71 = 66,714.54 : x
  2. Step 2: Convert to fraction form
    123,303.18/170,158.71 = 66,714.54/x
  3. Step 3: Cross multiply
    123,303.18x = 170,158.71 × 66,714.54
  4. Step 4: Simplify right side
    123,303.18x = 11,352,060,064.64
  5. Step 5: Solve for x
    x = 11,352,060,064.64/123,303.18
  6. Step 6: Final answer
    x = 92,066.24

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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.