Home / 132,435.95-198,649.51-57,556.16

Finding the Fourth Proportional to 132,435.95, 198,649.51 and 57,556.16

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Solution

The fourth proportional to 132,435.95, 198,649.51 and 57,556.16 is: 86,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,435.95 : 198,649.51 = 57,556.16 : x
  2. Step 2: Convert to fraction form
    132,435.95/198,649.51 = 57,556.16/x
  3. Step 3: Cross multiply
    132,435.95x = 198,649.51 × 57,556.16
  4. Step 4: Simplify right side
    132,435.95x = 11,433,502,981.48
  5. Step 5: Solve for x
    x = 11,433,502,981.48/132,435.95
  6. Step 6: Final answer
    x = 86,332.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.