Home / 141,513.93-212,208.63-74,938.53

Finding the Fourth Proportional to 141,513.93, 212,208.63 and 74,938.53

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Solution

The fourth proportional to 141,513.93, 212,208.63 and 74,938.53 is: 112,374.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,513.93 : 212,208.63 = 74,938.53 : x
  2. Step 2: Convert to fraction form
    141,513.93/212,208.63 = 74,938.53/x
  3. Step 3: Cross multiply
    141,513.93x = 212,208.63 × 74,938.53
  4. Step 4: Simplify right side
    141,513.93x = 15,902,602,785.51
  5. Step 5: Solve for x
    x = 15,902,602,785.51/141,513.93
  6. Step 6: Final answer
    x = 112,374.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.