Home / 434,729.40-652,094.10-154,210.20

Finding the Fourth Proportional to 434,729.40, 652,094.10 and 154,210.20

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Solution

The fourth proportional to 434,729.40, 652,094.10 and 154,210.20 is: 231,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,729.40 : 652,094.10 = 154,210.20 : x
  2. Step 2: Convert to fraction form
    434,729.40/652,094.10 = 154,210.20/x
  3. Step 3: Cross multiply
    434,729.40x = 652,094.10 × 154,210.20
  4. Step 4: Simplify right side
    434,729.40x = 100,559,561,579.82
  5. Step 5: Solve for x
    x = 100,559,561,579.82/434,729.40
  6. Step 6: Final answer
    x = 231,315.30

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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.