Home / 284,263.21-392,282.14-156,937.89

Finding the Fourth Proportional to 284,263.21, 392,282.14 and 156,937.89

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Solution

The fourth proportional to 284,263.21, 392,282.14 and 156,937.89 is: 216,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,263.21 : 392,282.14 = 156,937.89 : x
  2. Step 2: Convert to fraction form
    284,263.21/392,282.14 = 156,937.89/x
  3. Step 3: Cross multiply
    284,263.21x = 392,282.14 × 156,937.89
  4. Step 4: Simplify right side
    284,263.21x = 61,563,928,590.18
  5. Step 5: Solve for x
    x = 61,563,928,590.18/284,263.21
  6. Step 6: Final answer
    x = 216,573.68

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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.