Home / 132,871.08-183,339.54-76,281.24

Finding the Fourth Proportional to 132,871.08, 183,339.54 and 76,281.24

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Solution

The fourth proportional to 132,871.08, 183,339.54 and 76,281.24 is: 105,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,871.08 : 183,339.54 = 76,281.24 : x
  2. Step 2: Convert to fraction form
    132,871.08/183,339.54 = 76,281.24/x
  3. Step 3: Cross multiply
    132,871.08x = 183,339.54 × 76,281.24
  4. Step 4: Simplify right side
    132,871.08x = 13,985,367,452.23
  5. Step 5: Solve for x
    x = 13,985,367,452.23/132,871.08
  6. Step 6: Final answer
    x = 105,255.17

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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.