Home / 165,865.16-228,882.48-93,278.90

Finding the Fourth Proportional to 165,865.16, 228,882.48 and 93,278.90

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Solution

The fourth proportional to 165,865.16, 228,882.48 and 93,278.90 is: 128,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,865.16 : 228,882.48 = 93,278.90 : x
  2. Step 2: Convert to fraction form
    165,865.16/228,882.48 = 93,278.90/x
  3. Step 3: Cross multiply
    165,865.16x = 228,882.48 × 93,278.90
  4. Step 4: Simplify right side
    165,865.16x = 21,349,905,963.67
  5. Step 5: Solve for x
    x = 21,349,905,963.67/165,865.16
  6. Step 6: Final answer
    x = 128,718.45

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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.