Home / 133,089.40-183,681.90-76,499.56

Finding the Fourth Proportional to 133,089.40, 183,681.90 and 76,499.56

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Solution

The fourth proportional to 133,089.40, 183,681.90 and 76,499.56 is: 105,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,089.40 : 183,681.90 = 76,499.56 : x
  2. Step 2: Convert to fraction form
    133,089.40/183,681.90 = 76,499.56/x
  3. Step 3: Cross multiply
    133,089.40x = 183,681.90 × 76,499.56
  4. Step 4: Simplify right side
    133,089.40x = 14,051,584,529.96
  5. Step 5: Solve for x
    x = 14,051,584,529.96/133,089.40
  6. Step 6: Final answer
    x = 105,580.04

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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.