Home / 236,409.73-326,234.04-128,973.37

Finding the Fourth Proportional to 236,409.73, 326,234.04 and 128,973.37

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Solution

The fourth proportional to 236,409.73, 326,234.04 and 128,973.37 is: 177,977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,409.73 : 326,234.04 = 128,973.37 : x
  2. Step 2: Convert to fraction form
    236,409.73/326,234.04 = 128,973.37/x
  3. Step 3: Cross multiply
    236,409.73x = 326,234.04 × 128,973.37
  4. Step 4: Simplify right side
    236,409.73x = 42,075,503,547.51
  5. Step 5: Solve for x
    x = 42,075,503,547.51/236,409.73
  6. Step 6: Final answer
    x = 177,977.04

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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.