Home / 133,053.38-183,621.15-76,468.40

Finding the Fourth Proportional to 133,053.38, 183,621.15 and 76,468.40

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Solution

The fourth proportional to 133,053.38, 183,621.15 and 76,468.40 is: 105,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053.38 : 183,621.15 = 76,468.40 : x
  2. Step 2: Convert to fraction form
    133,053.38/183,621.15 = 76,468.40/x
  3. Step 3: Cross multiply
    133,053.38x = 183,621.15 × 76,468.40
  4. Step 4: Simplify right side
    133,053.38x = 14,041,214,628.55
  5. Step 5: Solve for x
    x = 14,041,214,628.55/133,053.38
  6. Step 6: Final answer
    x = 105,530.69

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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.