Home / 236,883.02-326,890.96-129,452.72

Finding the Fourth Proportional to 236,883.02, 326,890.96 and 129,452.72

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Solution

The fourth proportional to 236,883.02, 326,890.96 and 129,452.72 is: 178,640.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,883.02 : 326,890.96 = 129,452.72 : x
  2. Step 2: Convert to fraction form
    236,883.02/326,890.96 = 129,452.72/x
  3. Step 3: Cross multiply
    236,883.02x = 326,890.96 × 129,452.72
  4. Step 4: Simplify right side
    236,883.02x = 42,316,921,957.32
  5. Step 5: Solve for x
    x = 42,316,921,957.32/236,883.02
  6. Step 6: Final answer
    x = 178,640.59

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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.