Home / 165,316.04-228,137.64-89,864.72

Finding the Fourth Proportional to 165,316.04, 228,137.64 and 89,864.72

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Solution

The fourth proportional to 165,316.04, 228,137.64 and 89,864.72 is: 124,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,316.04 : 228,137.64 = 89,864.72 : x
  2. Step 2: Convert to fraction form
    165,316.04/228,137.64 = 89,864.72/x
  3. Step 3: Cross multiply
    165,316.04x = 228,137.64 × 89,864.72
  4. Step 4: Simplify right side
    165,316.04x = 20,501,525,140.06
  5. Step 5: Solve for x
    x = 20,501,525,140.06/165,316.04
  6. Step 6: Final answer
    x = 124,014.13

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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.