Home / 132,683.42-183,073.47-111,259.82

Finding the Fourth Proportional to 132,683.42, 183,073.47 and 111,259.82

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Solution

The fourth proportional to 132,683.42, 183,073.47 and 111,259.82 is: 153,513.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,683.42 : 183,073.47 = 111,259.82 : x
  2. Step 2: Convert to fraction form
    132,683.42/183,073.47 = 111,259.82/x
  3. Step 3: Cross multiply
    132,683.42x = 183,073.47 × 111,259.82
  4. Step 4: Simplify right side
    132,683.42x = 20,368,720,403.61
  5. Step 5: Solve for x
    x = 20,368,720,403.61/132,683.42
  6. Step 6: Final answer
    x = 153,513.69

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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.