Home / 156,384.84-215,639.91-116,173.20

Finding the Fourth Proportional to 156,384.84, 215,639.91 and 116,173.20

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Solution

The fourth proportional to 156,384.84, 215,639.91 and 116,173.20 is: 160,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,384.84 : 215,639.91 = 116,173.20 : x
  2. Step 2: Convert to fraction form
    156,384.84/215,639.91 = 116,173.20/x
  3. Step 3: Cross multiply
    156,384.84x = 215,639.91 × 116,173.20
  4. Step 4: Simplify right side
    156,384.84x = 25,051,578,392.41
  5. Step 5: Solve for x
    x = 25,051,578,392.41/156,384.84
  6. Step 6: Final answer
    x = 160,191.86

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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.