Home / 162,614.48-243,920.32-127,105.63

Finding the Fourth Proportional to 162,614.48, 243,920.32 and 127,105.63

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Solution

The fourth proportional to 162,614.48, 243,920.32 and 127,105.63 is: 190,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,614.48 : 243,920.32 = 127,105.63 : x
  2. Step 2: Convert to fraction form
    162,614.48/243,920.32 = 127,105.63/x
  3. Step 3: Cross multiply
    162,614.48x = 243,920.32 × 127,105.63
  4. Step 4: Simplify right side
    162,614.48x = 31,003,645,943.40
  5. Step 5: Solve for x
    x = 31,003,645,943.40/162,614.48
  6. Step 6: Final answer
    x = 190,657.35

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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.