Home / 236,637.02-326,556.60-129,206.72

Finding the Fourth Proportional to 236,637.02, 326,556.60 and 129,206.72

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Solution

The fourth proportional to 236,637.02, 326,556.60 and 129,206.72 is: 178,303.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,637.02 : 326,556.60 = 129,206.72 : x
  2. Step 2: Convert to fraction form
    236,637.02/326,556.60 = 129,206.72/x
  3. Step 3: Cross multiply
    236,637.02x = 326,556.60 × 129,206.72
  4. Step 4: Simplify right side
    236,637.02x = 42,193,307,180.35
  5. Step 5: Solve for x
    x = 42,193,307,180.35/236,637.02
  6. Step 6: Final answer
    x = 178,303.92

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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.