Home / 260,252.02-390,416.91-82,764.82

Finding the Fourth Proportional to 260,252.02, 390,416.91 and 82,764.82

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Solution

The fourth proportional to 260,252.02, 390,416.91 and 82,764.82 is: 124,159.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,252.02 : 390,416.91 = 82,764.82 : x
  2. Step 2: Convert to fraction form
    260,252.02/390,416.91 = 82,764.82/x
  3. Step 3: Cross multiply
    260,252.02x = 390,416.91 × 82,764.82
  4. Step 4: Simplify right side
    260,252.02x = 32,312,785,281.11
  5. Step 5: Solve for x
    x = 32,312,785,281.11/260,252.02
  6. Step 6: Final answer
    x = 124,159.59

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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.