Home / 134,623.47-185,812.05-83,674.68

Finding the Fourth Proportional to 134,623.47, 185,812.05 and 83,674.68

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Solution

The fourth proportional to 134,623.47, 185,812.05 and 83,674.68 is: 115,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,623.47 : 185,812.05 = 83,674.68 : x
  2. Step 2: Convert to fraction form
    134,623.47/185,812.05 = 83,674.68/x
  3. Step 3: Cross multiply
    134,623.47x = 185,812.05 × 83,674.68
  4. Step 4: Simplify right side
    134,623.47x = 15,547,763,492.81
  5. Step 5: Solve for x
    x = 15,547,763,492.81/134,623.47
  6. Step 6: Final answer
    x = 115,490.73

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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.