Home / 346,764.28-520,169.10-106,848.76

Finding the Fourth Proportional to 346,764.28, 520,169.10 and 106,848.76

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Solution

The fourth proportional to 346,764.28, 520,169.10 and 106,848.76 is: 160,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,764.28 : 520,169.10 = 106,848.76 : x
  2. Step 2: Convert to fraction form
    346,764.28/520,169.10 = 106,848.76/x
  3. Step 3: Cross multiply
    346,764.28x = 520,169.10 × 106,848.76
  4. Step 4: Simplify right side
    346,764.28x = 55,579,423,325.32
  5. Step 5: Solve for x
    x = 55,579,423,325.32/346,764.28
  6. Step 6: Final answer
    x = 160,280.13

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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.