Home / 165,804.17-228,803.02-101,381.92

Finding the Fourth Proportional to 165,804.17, 228,803.02 and 101,381.92

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Solution

The fourth proportional to 165,804.17, 228,803.02 and 101,381.92 is: 139,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,804.17 : 228,803.02 = 101,381.92 : x
  2. Step 2: Convert to fraction form
    165,804.17/228,803.02 = 101,381.92/x
  3. Step 3: Cross multiply
    165,804.17x = 228,803.02 × 101,381.92
  4. Step 4: Simplify right side
    165,804.17x = 23,196,488,643.94
  5. Step 5: Solve for x
    x = 23,196,488,643.94/165,804.17
  6. Step 6: Final answer
    x = 139,902.93

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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.