Home / 284,211.27-392,211.81-156,886.74

Finding the Fourth Proportional to 284,211.27, 392,211.81 and 156,886.74

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Solution

The fourth proportional to 284,211.27, 392,211.81 and 156,886.74 is: 216,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,211.27 : 392,211.81 = 156,886.74 : x
  2. Step 2: Convert to fraction form
    284,211.27/392,211.81 = 156,886.74/x
  3. Step 3: Cross multiply
    284,211.27x = 392,211.81 × 156,886.74
  4. Step 4: Simplify right side
    284,211.27x = 61,532,832,260.40
  5. Step 5: Solve for x
    x = 61,532,832,260.40/284,211.27
  6. Step 6: Final answer
    x = 216,503.84

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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.