Home / 421,166.16-581,218.56-230,191.92

Finding the Fourth Proportional to 421,166.16, 581,218.56 and 230,191.92

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Solution

The fourth proportional to 421,166.16, 581,218.56 and 230,191.92 is: 317,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,166.16 : 581,218.56 = 230,191.92 : x
  2. Step 2: Convert to fraction form
    421,166.16/581,218.56 = 230,191.92/x
  3. Step 3: Cross multiply
    421,166.16x = 581,218.56 × 230,191.92
  4. Step 4: Simplify right side
    421,166.16x = 133,791,816,266.04
  5. Step 5: Solve for x
    x = 133,791,816,266.04/421,166.16
  6. Step 6: Final answer
    x = 317,669.91

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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.