Home / 219,868.40-329,802.60-136,924.40

Finding the Fourth Proportional to 219,868.40, 329,802.60 and 136,924.40

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Solution

The fourth proportional to 219,868.40, 329,802.60 and 136,924.40 is: 205,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,868.40 : 329,802.60 = 136,924.40 : x
  2. Step 2: Convert to fraction form
    219,868.40/329,802.60 = 136,924.40/x
  3. Step 3: Cross multiply
    219,868.40x = 329,802.60 × 136,924.40
  4. Step 4: Simplify right side
    219,868.40x = 45,158,023,123.44
  5. Step 5: Solve for x
    x = 45,158,023,123.44/219,868.40
  6. Step 6: Final answer
    x = 205,386.60

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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.