Home / 133,095.06-183,672.12-72,666.90

Finding the Fourth Proportional to 133,095.06, 183,672.12 and 72,666.90

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Solution

The fourth proportional to 133,095.06, 183,672.12 and 72,666.90 is: 100,280.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,095.06 : 183,672.12 = 72,666.90 : x
  2. Step 2: Convert to fraction form
    133,095.06/183,672.12 = 72,666.90/x
  3. Step 3: Cross multiply
    133,095.06x = 183,672.12 × 72,666.90
  4. Step 4: Simplify right side
    133,095.06x = 13,346,883,576.83
  5. Step 5: Solve for x
    x = 13,346,883,576.83/133,095.06
  6. Step 6: Final answer
    x = 100,280.83

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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.