Home / 251,298.76-346,794.96-136,577.40

Finding the Fourth Proportional to 251,298.76, 346,794.96 and 136,577.40

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Solution

The fourth proportional to 251,298.76, 346,794.96 and 136,577.40 is: 188,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,298.76 : 346,794.96 = 136,577.40 : x
  2. Step 2: Convert to fraction form
    251,298.76/346,794.96 = 136,577.40/x
  3. Step 3: Cross multiply
    251,298.76x = 346,794.96 × 136,577.40
  4. Step 4: Simplify right side
    251,298.76x = 47,364,353,969.90
  5. Step 5: Solve for x
    x = 47,364,353,969.90/251,298.76
  6. Step 6: Final answer
    x = 188,478.26

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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.