Home / 460,170.90-690,263.49-144,627.81

Finding the Fourth Proportional to 460,170.90, 690,263.49 and 144,627.81

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Solution

The fourth proportional to 460,170.90, 690,263.49 and 144,627.81 is: 216,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,170.90 : 690,263.49 = 144,627.81 : x
  2. Step 2: Convert to fraction form
    460,170.90/690,263.49 = 144,627.81/x
  3. Step 3: Cross multiply
    460,170.90x = 690,263.49 × 144,627.81
  4. Step 4: Simplify right side
    460,170.90x = 99,831,296,881.66
  5. Step 5: Solve for x
    x = 99,831,296,881.66/460,170.90
  6. Step 6: Final answer
    x = 216,943.96

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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.