Home / 369,128.04-553,738.23-144,459.46

Finding the Fourth Proportional to 369,128.04, 553,738.23 and 144,459.46

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Solution

The fourth proportional to 369,128.04, 553,738.23 and 144,459.46 is: 216,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,128.04 : 553,738.23 = 144,459.46 : x
  2. Step 2: Convert to fraction form
    369,128.04/553,738.23 = 144,459.46/x
  3. Step 3: Cross multiply
    369,128.04x = 553,738.23 × 144,459.46
  4. Step 4: Simplify right side
    369,128.04x = 79,992,725,687.16
  5. Step 5: Solve for x
    x = 79,992,725,687.16/369,128.04
  6. Step 6: Final answer
    x = 216,707.26

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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.