Home / 346,323.40-519,485.10-109,665.70

Finding the Fourth Proportional to 346,323.40, 519,485.10 and 109,665.70

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Solution

The fourth proportional to 346,323.40, 519,485.10 and 109,665.70 is: 164,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,323.40 : 519,485.10 = 109,665.70 : x
  2. Step 2: Convert to fraction form
    346,323.40/519,485.10 = 109,665.70/x
  3. Step 3: Cross multiply
    346,323.40x = 519,485.10 × 109,665.70
  4. Step 4: Simplify right side
    346,323.40x = 56,969,697,131.07
  5. Step 5: Solve for x
    x = 56,969,697,131.07/346,323.40
  6. Step 6: Final answer
    x = 164,498.55

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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.