Home / 133,031.06-183,612.93-90,606.50

Finding the Fourth Proportional to 133,031.06, 183,612.93 and 90,606.50

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Solution

The fourth proportional to 133,031.06, 183,612.93 and 90,606.50 is: 125,057.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,031.06 : 183,612.93 = 90,606.50 : x
  2. Step 2: Convert to fraction form
    133,031.06/183,612.93 = 90,606.50/x
  3. Step 3: Cross multiply
    133,031.06x = 183,612.93 × 90,606.50
  4. Step 4: Simplify right side
    133,031.06x = 16,636,524,942.05
  5. Step 5: Solve for x
    x = 16,636,524,942.05/133,031.06
  6. Step 6: Final answer
    x = 125,057.45

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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.