Home / 134,623.89-185,812.63-83,675.10

Finding the Fourth Proportional to 134,623.89, 185,812.63 and 83,675.10

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Solution

The fourth proportional to 134,623.89, 185,812.63 and 83,675.10 is: 115,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,623.89 : 185,812.63 = 83,675.10 : x
  2. Step 2: Convert to fraction form
    134,623.89/185,812.63 = 83,675.10/x
  3. Step 3: Cross multiply
    134,623.89x = 185,812.63 × 83,675.10
  4. Step 4: Simplify right side
    134,623.89x = 15,547,890,884.12
  5. Step 5: Solve for x
    x = 15,547,890,884.12/134,623.89
  6. Step 6: Final answer
    x = 115,491.32

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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.