Home / 132,919.03-183,426.96-76,330.81

Finding the Fourth Proportional to 132,919.03, 183,426.96 and 76,330.81

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Solution

The fourth proportional to 132,919.03, 183,426.96 and 76,330.81 is: 105,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,919.03 : 183,426.96 = 76,330.81 : x
  2. Step 2: Convert to fraction form
    132,919.03/183,426.96 = 76,330.81/x
  3. Step 3: Cross multiply
    132,919.03x = 183,426.96 × 76,330.81
  4. Step 4: Simplify right side
    132,919.03x = 14,001,128,432.64
  5. Step 5: Solve for x
    x = 14,001,128,432.64/132,919.03
  6. Step 6: Final answer
    x = 105,335.77

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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.