Home / 165,510.28-228,403.14-90,059.08

Finding the Fourth Proportional to 165,510.28, 228,403.14 and 90,059.08

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Solution

The fourth proportional to 165,510.28, 228,403.14 and 90,059.08 is: 124,280.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,510.28 : 228,403.14 = 90,059.08 : x
  2. Step 2: Convert to fraction form
    165,510.28/228,403.14 = 90,059.08/x
  3. Step 3: Cross multiply
    165,510.28x = 228,403.14 × 90,059.08
  4. Step 4: Simplify right side
    165,510.28x = 20,569,776,657.51
  5. Step 5: Solve for x
    x = 20,569,776,657.51/165,510.28
  6. Step 6: Final answer
    x = 124,280.96

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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.