Home / 346,315.60-519,376.20-109,730.80

Finding the Fourth Proportional to 346,315.60, 519,376.20 and 109,730.80

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Solution

The fourth proportional to 346,315.60, 519,376.20 and 109,730.80 is: 164,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,315.60 : 519,376.20 = 109,730.80 : x
  2. Step 2: Convert to fraction form
    346,315.60/519,376.20 = 109,730.80/x
  3. Step 3: Cross multiply
    346,315.60x = 519,376.20 × 109,730.80
  4. Step 4: Simplify right side
    346,315.60x = 56,991,565,926.96
  5. Step 5: Solve for x
    x = 56,991,565,926.96/346,315.60
  6. Step 6: Final answer
    x = 164,565.40

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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.