Home / 346,792.20-520,058.70-136,386.60

Finding the Fourth Proportional to 346,792.20, 520,058.70 and 136,386.60

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Solution

The fourth proportional to 346,792.20, 520,058.70 and 136,386.60 is: 204,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,792.20 : 520,058.70 = 136,386.60 : x
  2. Step 2: Convert to fraction form
    346,792.20/520,058.70 = 136,386.60/x
  3. Step 3: Cross multiply
    346,792.20x = 520,058.70 × 136,386.60
  4. Step 4: Simplify right side
    346,792.20x = 70,929,037,893.42
  5. Step 5: Solve for x
    x = 70,929,037,893.42/346,792.20
  6. Step 6: Final answer
    x = 204,528.93

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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.