Home / 223,829.60-308,877.32-121,853.14

Finding the Fourth Proportional to 223,829.60, 308,877.32 and 121,853.14

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Solution

The fourth proportional to 223,829.60, 308,877.32 and 121,853.14 is: 168,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,829.60 : 308,877.32 = 121,853.14 : x
  2. Step 2: Convert to fraction form
    223,829.60/308,877.32 = 121,853.14/x
  3. Step 3: Cross multiply
    223,829.60x = 308,877.32 × 121,853.14
  4. Step 4: Simplify right side
    223,829.60x = 37,637,671,316.78
  5. Step 5: Solve for x
    x = 37,637,671,316.78/223,829.60
  6. Step 6: Final answer
    x = 168,153.23

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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.