Home / 132,320.64-182,525.76-87,006.72

Finding the Fourth Proportional to 132,320.64, 182,525.76 and 87,006.72

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Solution

The fourth proportional to 132,320.64, 182,525.76 and 87,006.72 is: 120,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,320.64 : 182,525.76 = 87,006.72 : x
  2. Step 2: Convert to fraction form
    132,320.64/182,525.76 = 87,006.72/x
  3. Step 3: Cross multiply
    132,320.64x = 182,525.76 × 87,006.72
  4. Step 4: Simplify right side
    132,320.64x = 15,880,967,693.11
  5. Step 5: Solve for x
    x = 15,880,967,693.11/132,320.64
  6. Step 6: Final answer
    x = 120,018.82

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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.