Home / 109,448.69-163,084.97-97,510.70

Finding the Fourth Proportional to 109,448.69, 163,084.97 and 97,510.70

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Solution

The fourth proportional to 109,448.69, 163,084.97 and 97,510.70 is: 145,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,448.69 : 163,084.97 = 97,510.70 : x
  2. Step 2: Convert to fraction form
    109,448.69/163,084.97 = 97,510.70/x
  3. Step 3: Cross multiply
    109,448.69x = 163,084.97 × 97,510.70
  4. Step 4: Simplify right side
    109,448.69x = 15,902,530,235.67
  5. Step 5: Solve for x
    x = 15,902,530,235.67/109,448.69
  6. Step 6: Final answer
    x = 145,296.68

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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.