Home / 369,128.54-553,738.98-144,459.96

Finding the Fourth Proportional to 369,128.54, 553,738.98 and 144,459.96

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Solution

The fourth proportional to 369,128.54, 553,738.98 and 144,459.96 is: 216,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,128.54 : 553,738.98 = 144,459.96 : x
  2. Step 2: Convert to fraction form
    369,128.54/553,738.98 = 144,459.96/x
  3. Step 3: Cross multiply
    369,128.54x = 553,738.98 × 144,459.96
  4. Step 4: Simplify right side
    369,128.54x = 79,993,110,901.24
  5. Step 5: Solve for x
    x = 79,993,110,901.24/369,128.54
  6. Step 6: Final answer
    x = 216,708.01

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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.