Home / 251,365.60-346,875.68-138,187.52

Finding the Fourth Proportional to 251,365.60, 346,875.68 and 138,187.52

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Solution

The fourth proportional to 251,365.60, 346,875.68 and 138,187.52 is: 190,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,365.60 : 346,875.68 = 138,187.52 : x
  2. Step 2: Convert to fraction form
    251,365.60/346,875.68 = 138,187.52/x
  3. Step 3: Cross multiply
    251,365.60x = 346,875.68 × 138,187.52
  4. Step 4: Simplify right side
    251,365.60x = 47,933,889,967.51
  5. Step 5: Solve for x
    x = 47,933,889,967.51/251,365.60
  6. Step 6: Final answer
    x = 190,693.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.