Home / 316,345.52-436,556.85-173,106.74

Finding the Fourth Proportional to 316,345.52, 436,556.85 and 173,106.74

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Solution

The fourth proportional to 316,345.52, 436,556.85 and 173,106.74 is: 238,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,345.52 : 436,556.85 = 173,106.74 : x
  2. Step 2: Convert to fraction form
    316,345.52/436,556.85 = 173,106.74/x
  3. Step 3: Cross multiply
    316,345.52x = 436,556.85 × 173,106.74
  4. Step 4: Simplify right side
    316,345.52x = 75,570,933,128.17
  5. Step 5: Solve for x
    x = 75,570,933,128.17/316,345.52
  6. Step 6: Final answer
    x = 238,887.32

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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.