Home / 280,141.32-386,592.53-152,814.18

Finding the Fourth Proportional to 280,141.32, 386,592.53 and 152,814.18

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Solution

The fourth proportional to 280,141.32, 386,592.53 and 152,814.18 is: 210,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,141.32 : 386,592.53 = 152,814.18 : x
  2. Step 2: Convert to fraction form
    280,141.32/386,592.53 = 152,814.18/x
  3. Step 3: Cross multiply
    280,141.32x = 386,592.53 × 152,814.18
  4. Step 4: Simplify right side
    280,141.32x = 59,076,820,466.08
  5. Step 5: Solve for x
    x = 59,076,820,466.08/280,141.32
  6. Step 6: Final answer
    x = 210,882.21

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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.