Home / 284,080.26-392,019.30-156,754.20

Finding the Fourth Proportional to 284,080.26, 392,019.30 and 156,754.20

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Solution

The fourth proportional to 284,080.26, 392,019.30 and 156,754.20 is: 216,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,080.26 : 392,019.30 = 156,754.20 : x
  2. Step 2: Convert to fraction form
    284,080.26/392,019.30 = 156,754.20/x
  3. Step 3: Cross multiply
    284,080.26x = 392,019.30 × 156,754.20
  4. Step 4: Simplify right side
    284,080.26x = 61,450,671,756.06
  5. Step 5: Solve for x
    x = 61,450,671,756.06/284,080.26
  6. Step 6: Final answer
    x = 216,314.47

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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.