Home / 106,746.54-147,308.67-64,328.46

Finding the Fourth Proportional to 106,746.54, 147,308.67 and 64,328.46

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Solution

The fourth proportional to 106,746.54, 147,308.67 and 64,328.46 is: 88,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,746.54 : 147,308.67 = 64,328.46 : x
  2. Step 2: Convert to fraction form
    106,746.54/147,308.67 = 64,328.46/x
  3. Step 3: Cross multiply
    106,746.54x = 147,308.67 × 64,328.46
  4. Step 4: Simplify right side
    106,746.54x = 9,476,139,885.75
  5. Step 5: Solve for x
    x = 9,476,139,885.75/106,746.54
  6. Step 6: Final answer
    x = 88,772.34

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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.