Home / 460,154.36-690,263.08-156,424.93

Finding the Fourth Proportional to 460,154.36, 690,263.08 and 156,424.93

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Solution

The fourth proportional to 460,154.36, 690,263.08 and 156,424.93 is: 234,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,154.36 : 690,263.08 = 156,424.93 : x
  2. Step 2: Convert to fraction form
    460,154.36/690,263.08 = 156,424.93/x
  3. Step 3: Cross multiply
    460,154.36x = 690,263.08 × 156,424.93
  4. Step 4: Simplify right side
    460,154.36x = 107,974,351,103.15
  5. Step 5: Solve for x
    x = 107,974,351,103.15/460,154.36
  6. Step 6: Final answer
    x = 234,648.11

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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.