Home / 122,312.90-168,801.05-67,875.37

Finding the Fourth Proportional to 122,312.90, 168,801.05 and 67,875.37

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Solution

The fourth proportional to 122,312.90, 168,801.05 and 67,875.37 is: 93,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,312.90 : 168,801.05 = 67,875.37 : x
  2. Step 2: Convert to fraction form
    122,312.90/168,801.05 = 67,875.37/x
  3. Step 3: Cross multiply
    122,312.90x = 168,801.05 × 67,875.37
  4. Step 4: Simplify right side
    122,312.90x = 11,457,433,977.45
  5. Step 5: Solve for x
    x = 11,457,433,977.45/122,312.90
  6. Step 6: Final answer
    x = 93,673.14

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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.