Home / 460,023.36-690,068.52-144,477.60

Finding the Fourth Proportional to 460,023.36, 690,068.52 and 144,477.60

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Solution

The fourth proportional to 460,023.36, 690,068.52 and 144,477.60 is: 216,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,023.36 : 690,068.52 = 144,477.60 : x
  2. Step 2: Convert to fraction form
    460,023.36/690,068.52 = 144,477.60/x
  3. Step 3: Cross multiply
    460,023.36x = 690,068.52 × 144,477.60
  4. Step 4: Simplify right side
    460,023.36x = 99,699,443,605.15
  5. Step 5: Solve for x
    x = 99,699,443,605.15/460,023.36
  6. Step 6: Final answer
    x = 216,726.91

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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.