Home / 217,864.04-300,685.75-133,030.76

Finding the Fourth Proportional to 217,864.04, 300,685.75 and 133,030.76

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Solution

The fourth proportional to 217,864.04, 300,685.75 and 133,030.76 is: 183,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,864.04 : 300,685.75 = 133,030.76 : x
  2. Step 2: Convert to fraction form
    217,864.04/300,685.75 = 133,030.76/x
  3. Step 3: Cross multiply
    217,864.04x = 300,685.75 × 133,030.76
  4. Step 4: Simplify right side
    217,864.04x = 40,000,453,843.67
  5. Step 5: Solve for x
    x = 40,000,453,843.67/217,864.04
  6. Step 6: Final answer
    x = 183,602.83

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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.