Home / 101,364.14-152,070.93-71,436.71

Finding the Fourth Proportional to 101,364.14, 152,070.93 and 71,436.71

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Solution

The fourth proportional to 101,364.14, 152,070.93 and 71,436.71 is: 107,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,364.14 : 152,070.93 = 71,436.71 : x
  2. Step 2: Convert to fraction form
    101,364.14/152,070.93 = 71,436.71/x
  3. Step 3: Cross multiply
    101,364.14x = 152,070.93 × 71,436.71
  4. Step 4: Simplify right side
    101,364.14x = 10,863,446,925.84
  5. Step 5: Solve for x
    x = 10,863,446,925.84/101,364.14
  6. Step 6: Final answer
    x = 107,172.49

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1.5x scale

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.