Home / 211,295.36-316,417.26-147,818.34

Finding the Fourth Proportional to 211,295.36, 316,417.26 and 147,818.34

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Solution

The fourth proportional to 211,295.36, 316,417.26 and 147,818.34 is: 221,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,295.36 : 316,417.26 = 147,818.34 : x
  2. Step 2: Convert to fraction form
    211,295.36/316,417.26 = 147,818.34/x
  3. Step 3: Cross multiply
    211,295.36x = 316,417.26 × 147,818.34
  4. Step 4: Simplify right side
    211,295.36x = 46,772,275,149.05
  5. Step 5: Solve for x
    x = 46,772,275,149.05/211,295.36
  6. Step 6: Final answer
    x = 221,359.69

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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.