Home / 236,330.48-326,139.95-128,900.52

Finding the Fourth Proportional to 236,330.48, 326,139.95 and 128,900.52

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Solution

The fourth proportional to 236,330.48, 326,139.95 and 128,900.52 is: 177,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,330.48 : 326,139.95 = 128,900.52 : x
  2. Step 2: Convert to fraction form
    236,330.48/326,139.95 = 128,900.52/x
  3. Step 3: Cross multiply
    236,330.48x = 326,139.95 × 128,900.52
  4. Step 4: Simplify right side
    236,330.48x = 42,039,609,147.77
  5. Step 5: Solve for x
    x = 42,039,609,147.77/236,330.48
  6. Step 6: Final answer
    x = 177,884.84

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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.