Home / 132,465.76-182,803.61-72,037.06

Finding the Fourth Proportional to 132,465.76, 182,803.61 and 72,037.06

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Solution

The fourth proportional to 132,465.76, 182,803.61 and 72,037.06 is: 99,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,465.76 : 182,803.61 = 72,037.06 : x
  2. Step 2: Convert to fraction form
    132,465.76/182,803.61 = 72,037.06/x
  3. Step 3: Cross multiply
    132,465.76x = 182,803.61 × 72,037.06
  4. Step 4: Simplify right side
    132,465.76x = 13,168,634,621.79
  5. Step 5: Solve for x
    x = 13,168,634,621.79/132,465.76
  6. Step 6: Final answer
    x = 99,411.61

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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.