Home / 369,133.40-553,671.30-144,450.20

Finding the Fourth Proportional to 369,133.40, 553,671.30 and 144,450.20

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Solution

The fourth proportional to 369,133.40, 553,671.30 and 144,450.20 is: 216,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,133.40 : 553,671.30 = 144,450.20 : x
  2. Step 2: Convert to fraction form
    369,133.40/553,671.30 = 144,450.20/x
  3. Step 3: Cross multiply
    369,133.40x = 553,671.30 × 144,450.20
  4. Step 4: Simplify right side
    369,133.40x = 79,977,930,019.26
  5. Step 5: Solve for x
    x = 79,977,930,019.26/369,133.40
  6. Step 6: Final answer
    x = 216,664.03

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1.5x scale

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.