Home / 211,651.95-292,078.86-114,856.20

Finding the Fourth Proportional to 211,651.95, 292,078.86 and 114,856.20

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Solution

The fourth proportional to 211,651.95, 292,078.86 and 114,856.20 is: 158,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,651.95 : 292,078.86 = 114,856.20 : x
  2. Step 2: Convert to fraction form
    211,651.95/292,078.86 = 114,856.20/x
  3. Step 3: Cross multiply
    211,651.95x = 292,078.86 × 114,856.20
  4. Step 4: Simplify right side
    211,651.95x = 33,547,067,959.93
  5. Step 5: Solve for x
    x = 33,547,067,959.93/211,651.95
  6. Step 6: Final answer
    x = 158,501.11

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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.