Home / 236,811.02-326,789.51-129,384.77

Finding the Fourth Proportional to 236,811.02, 326,789.51 and 129,384.77

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Solution

The fourth proportional to 236,811.02, 326,789.51 and 129,384.77 is: 178,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,811.02 : 326,789.51 = 129,384.77 : x
  2. Step 2: Convert to fraction form
    236,811.02/326,789.51 = 129,384.77/x
  3. Step 3: Cross multiply
    236,811.02x = 326,789.51 × 129,384.77
  4. Step 4: Simplify right side
    236,811.02x = 42,281,583,308.89
  5. Step 5: Solve for x
    x = 42,281,583,308.89/236,811.02
  6. Step 6: Final answer
    x = 178,545.68

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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.