Home / 346,422.60-519,504.30-121,696.20

Finding the Fourth Proportional to 346,422.60, 519,504.30 and 121,696.20

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Solution

The fourth proportional to 346,422.60, 519,504.30 and 121,696.20 is: 182,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,422.60 : 519,504.30 = 121,696.20 : x
  2. Step 2: Convert to fraction form
    346,422.60/519,504.30 = 121,696.20/x
  3. Step 3: Cross multiply
    346,422.60x = 519,504.30 × 121,696.20
  4. Step 4: Simplify right side
    346,422.60x = 63,221,699,193.66
  5. Step 5: Solve for x
    x = 63,221,699,193.66/346,422.60
  6. Step 6: Final answer
    x = 182,498.77

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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.