Home / 112,073.40-168,110.10-106,387.20

Finding the Fourth Proportional to 112,073.40, 168,110.10 and 106,387.20

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Solution

The fourth proportional to 112,073.40, 168,110.10 and 106,387.20 is: 159,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,073.40 : 168,110.10 = 106,387.20 : x
  2. Step 2: Convert to fraction form
    112,073.40/168,110.10 = 106,387.20/x
  3. Step 3: Cross multiply
    112,073.40x = 168,110.10 × 106,387.20
  4. Step 4: Simplify right side
    112,073.40x = 17,884,762,830.72
  5. Step 5: Solve for x
    x = 17,884,762,830.72/112,073.40
  6. Step 6: Final answer
    x = 159,580.80

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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.