Home / 421,196.06-581,251.02-230,209.58

Finding the Fourth Proportional to 421,196.06, 581,251.02 and 230,209.58

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Solution

The fourth proportional to 421,196.06, 581,251.02 and 230,209.58 is: 317,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,196.06 : 581,251.02 = 230,209.58 : x
  2. Step 2: Convert to fraction form
    421,196.06/581,251.02 = 230,209.58/x
  3. Step 3: Cross multiply
    421,196.06x = 581,251.02 × 230,209.58
  4. Step 4: Simplify right side
    421,196.06x = 133,809,553,188.77
  5. Step 5: Solve for x
    x = 133,809,553,188.77/421,196.06
  6. Step 6: Final answer
    x = 317,689.47

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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.