Home / 236,339.01-326,148.85-128,911.35

Finding the Fourth Proportional to 236,339.01, 326,148.85 and 128,911.35

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Solution

The fourth proportional to 236,339.01, 326,148.85 and 128,911.35 is: 177,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,339.01 : 326,148.85 = 128,911.35 : x
  2. Step 2: Convert to fraction form
    236,339.01/326,148.85 = 128,911.35/x
  3. Step 3: Cross multiply
    236,339.01x = 326,148.85 × 128,911.35
  4. Step 4: Simplify right side
    236,339.01x = 42,044,287,650.85
  5. Step 5: Solve for x
    x = 42,044,287,650.85/236,339.01
  6. Step 6: Final answer
    x = 177,898.21

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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.