Home / 346,061.60-518,995.20-109,476.80

Finding the Fourth Proportional to 346,061.60, 518,995.20 and 109,476.80

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Solution

The fourth proportional to 346,061.60, 518,995.20 and 109,476.80 is: 164,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,061.60 : 518,995.20 = 109,476.80 : x
  2. Step 2: Convert to fraction form
    346,061.60/518,995.20 = 109,476.80/x
  3. Step 3: Cross multiply
    346,061.60x = 518,995.20 × 109,476.80
  4. Step 4: Simplify right side
    346,061.60x = 56,817,933,711.36
  5. Step 5: Solve for x
    x = 56,817,933,711.36/346,061.60
  6. Step 6: Final answer
    x = 164,184.45

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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.