Home / 280,134.18-386,587.96-152,812.44

Finding the Fourth Proportional to 280,134.18, 386,587.96 and 152,812.44

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Solution

The fourth proportional to 280,134.18, 386,587.96 and 152,812.44 is: 210,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,134.18 : 386,587.96 = 152,812.44 : x
  2. Step 2: Convert to fraction form
    280,134.18/386,587.96 = 152,812.44/x
  3. Step 3: Cross multiply
    280,134.18x = 386,587.96 × 152,812.44
  4. Step 4: Simplify right side
    280,134.18x = 59,075,449,442.22
  5. Step 5: Solve for x
    x = 59,075,449,442.22/280,134.18
  6. Step 6: Final answer
    x = 210,882.69

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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.