Home / 98,025.47-146,374.22-77,808.14

Finding the Fourth Proportional to 98,025.47, 146,374.22 and 77,808.14

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Solution

The fourth proportional to 98,025.47, 146,374.22 and 77,808.14 is: 116,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,025.47 : 146,374.22 = 77,808.14 : x
  2. Step 2: Convert to fraction form
    98,025.47/146,374.22 = 77,808.14/x
  3. Step 3: Cross multiply
    98,025.47x = 146,374.22 × 77,808.14
  4. Step 4: Simplify right side
    98,025.47x = 11,389,105,264.80
  5. Step 5: Solve for x
    x = 11,389,105,264.80/98,025.47
  6. Step 6: Final answer
    x = 116,185.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.