Home / 105,095.80-157,705.98-98,446.26

Finding the Fourth Proportional to 105,095.80, 157,705.98 and 98,446.26

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Solution

The fourth proportional to 105,095.80, 157,705.98 and 98,446.26 is: 147,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,095.80 : 157,705.98 = 98,446.26 : x
  2. Step 2: Convert to fraction form
    105,095.80/157,705.98 = 98,446.26/x
  3. Step 3: Cross multiply
    105,095.80x = 157,705.98 × 98,446.26
  4. Step 4: Simplify right side
    105,095.80x = 15,525,564,279.81
  5. Step 5: Solve for x
    x = 15,525,564,279.81/105,095.80
  6. Step 6: Final answer
    x = 147,727.73

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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.