Home / 132,123.51-198,215.54-57,256.22

Finding the Fourth Proportional to 132,123.51, 198,215.54 and 57,256.22

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Solution

The fourth proportional to 132,123.51, 198,215.54 and 57,256.22 is: 85,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,123.51 : 198,215.54 = 57,256.22 : x
  2. Step 2: Convert to fraction form
    132,123.51/198,215.54 = 57,256.22/x
  3. Step 3: Cross multiply
    132,123.51x = 198,215.54 × 57,256.22
  4. Step 4: Simplify right side
    132,123.51x = 11,349,072,989.63
  5. Step 5: Solve for x
    x = 11,349,072,989.63/132,123.51
  6. Step 6: Final answer
    x = 85,897.45

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1.5x scale

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.