Home / 356,214.32-534,320.04-145,852.40

Finding the Fourth Proportional to 356,214.32, 534,320.04 and 145,852.40

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Solution

The fourth proportional to 356,214.32, 534,320.04 and 145,852.40 is: 218,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,214.32 : 534,320.04 = 145,852.40 : x
  2. Step 2: Convert to fraction form
    356,214.32/534,320.04 = 145,852.40/x
  3. Step 3: Cross multiply
    356,214.32x = 534,320.04 × 145,852.40
  4. Step 4: Simplify right side
    356,214.32x = 77,931,860,202.10
  5. Step 5: Solve for x
    x = 77,931,860,202.10/356,214.32
  6. Step 6: Final answer
    x = 218,778.01

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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.