Home / 236,349.11-326,166.20-128,922.98

Finding the Fourth Proportional to 236,349.11, 326,166.20 and 128,922.98

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Solution

The fourth proportional to 236,349.11, 326,166.20 and 128,922.98 is: 177,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,349.11 : 326,166.20 = 128,922.98 : x
  2. Step 2: Convert to fraction form
    236,349.11/326,166.20 = 128,922.98/x
  3. Step 3: Cross multiply
    236,349.11x = 326,166.20 × 128,922.98
  4. Step 4: Simplify right side
    236,349.11x = 42,050,316,203.83
  5. Step 5: Solve for x
    x = 42,050,316,203.83/236,349.11
  6. Step 6: Final answer
    x = 177,916.12

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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.