Home / 236,113.84-325,827.52-128,681.60

Finding the Fourth Proportional to 236,113.84, 325,827.52 and 128,681.60

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Solution

The fourth proportional to 236,113.84, 325,827.52 and 128,681.60 is: 177,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,113.84 : 325,827.52 = 128,681.60 : x
  2. Step 2: Convert to fraction form
    236,113.84/325,827.52 = 128,681.60/x
  3. Step 3: Cross multiply
    236,113.84x = 325,827.52 × 128,681.60
  4. Step 4: Simplify right side
    236,113.84x = 41,928,006,597.63
  5. Step 5: Solve for x
    x = 41,928,006,597.63/236,113.84
  6. Step 6: Final answer
    x = 177,575.39

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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.