Home / 199,547.07-275,381.36-113,503.83

Finding the Fourth Proportional to 199,547.07, 275,381.36 and 113,503.83

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Solution

The fourth proportional to 199,547.07, 275,381.36 and 113,503.83 is: 156,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,547.07 : 275,381.36 = 113,503.83 : x
  2. Step 2: Convert to fraction form
    199,547.07/275,381.36 = 113,503.83/x
  3. Step 3: Cross multiply
    199,547.07x = 275,381.36 × 113,503.83
  4. Step 4: Simplify right side
    199,547.07x = 31,256,839,070.61
  5. Step 5: Solve for x
    x = 31,256,839,070.61/199,547.07
  6. Step 6: Final answer
    x = 156,638.93

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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.