Home / 133,090.47-183,636.80-84,674.92

Finding the Fourth Proportional to 133,090.47, 183,636.80 and 84,674.92

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Solution

The fourth proportional to 133,090.47, 183,636.80 and 84,674.92 is: 116,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,090.47 : 183,636.80 = 84,674.92 : x
  2. Step 2: Convert to fraction form
    133,090.47/183,636.80 = 84,674.92/x
  3. Step 3: Cross multiply
    133,090.47x = 183,636.80 × 84,674.92
  4. Step 4: Simplify right side
    133,090.47x = 15,549,430,890.29
  5. Step 5: Solve for x
    x = 15,549,430,890.29/133,090.47
  6. Step 6: Final answer
    x = 116,833.54

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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.