Home / 223,852.04-308,896.98-128,336.84

Finding the Fourth Proportional to 223,852.04, 308,896.98 and 128,336.84

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Solution

The fourth proportional to 223,852.04, 308,896.98 and 128,336.84 is: 177,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,852.04 : 308,896.98 = 128,336.84 : x
  2. Step 2: Convert to fraction form
    223,852.04/308,896.98 = 128,336.84/x
  3. Step 3: Cross multiply
    223,852.04x = 308,896.98 × 128,336.84
  4. Step 4: Simplify right side
    223,852.04x = 39,642,862,298.74
  5. Step 5: Solve for x
    x = 39,642,862,298.74/223,852.04
  6. Step 6: Final answer
    x = 177,094.04

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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.