Home / 257,196.51-355,024.35-209,366.82

Finding the Fourth Proportional to 257,196.51, 355,024.35 and 209,366.82

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Solution

The fourth proportional to 257,196.51, 355,024.35 and 209,366.82 is: 289,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,196.51 : 355,024.35 = 209,366.82 : x
  2. Step 2: Convert to fraction form
    257,196.51/355,024.35 = 209,366.82/x
  3. Step 3: Cross multiply
    257,196.51x = 355,024.35 × 209,366.82
  4. Step 4: Simplify right side
    257,196.51x = 74,330,319,182.07
  5. Step 5: Solve for x
    x = 74,330,319,182.07/257,196.51
  6. Step 6: Final answer
    x = 289,002.05

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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.