Home / 261,913.39-361,095.74-171,111.58

Finding the Fourth Proportional to 261,913.39, 361,095.74 and 171,111.58

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Solution

The fourth proportional to 261,913.39, 361,095.74 and 171,111.58 is: 235,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,913.39 : 361,095.74 = 171,111.58 : x
  2. Step 2: Convert to fraction form
    261,913.39/361,095.74 = 171,111.58/x
  3. Step 3: Cross multiply
    261,913.39x = 361,095.74 × 171,111.58
  4. Step 4: Simplify right side
    261,913.39x = 61,787,662,602.67
  5. Step 5: Solve for x
    x = 61,787,662,602.67/261,913.39
  6. Step 6: Final answer
    x = 235,908.76

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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.