Home / 284,270.64-392,291.07-156,943.50

Finding the Fourth Proportional to 284,270.64, 392,291.07 and 156,943.50

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Solution

The fourth proportional to 284,270.64, 392,291.07 and 156,943.50 is: 216,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,270.64 : 392,291.07 = 156,943.50 : x
  2. Step 2: Convert to fraction form
    284,270.64/392,291.07 = 156,943.50/x
  3. Step 3: Cross multiply
    284,270.64x = 392,291.07 × 156,943.50
  4. Step 4: Simplify right side
    284,270.64x = 61,567,533,544.55
  5. Step 5: Solve for x
    x = 61,567,533,544.55/284,270.64
  6. Step 6: Final answer
    x = 216,580.70

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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.