Home / 230,574.16-345,875.82-72,808.84

Finding the Fourth Proportional to 230,574.16, 345,875.82 and 72,808.84

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Solution

The fourth proportional to 230,574.16, 345,875.82 and 72,808.84 is: 109,217.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,574.16 : 345,875.82 = 72,808.84 : x
  2. Step 2: Convert to fraction form
    230,574.16/345,875.82 = 72,808.84/x
  3. Step 3: Cross multiply
    230,574.16x = 345,875.82 × 72,808.84
  4. Step 4: Simplify right side
    230,574.16x = 25,182,817,238.25
  5. Step 5: Solve for x
    x = 25,182,817,238.25/230,574.16
  6. Step 6: Final answer
    x = 109,217.86

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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.