Home / 134,946.60-202,419.90-108,702.60

Finding the Fourth Proportional to 134,946.60, 202,419.90 and 108,702.60

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Solution

The fourth proportional to 134,946.60, 202,419.90 and 108,702.60 is: 163,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,946.60 : 202,419.90 = 108,702.60 : x
  2. Step 2: Convert to fraction form
    134,946.60/202,419.90 = 108,702.60/x
  3. Step 3: Cross multiply
    134,946.60x = 202,419.90 × 108,702.60
  4. Step 4: Simplify right side
    134,946.60x = 22,003,569,421.74
  5. Step 5: Solve for x
    x = 22,003,569,421.74/134,946.60
  6. Step 6: Final answer
    x = 163,053.90

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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.