Home / 110,400.19-152,372.14-65,075.49

Finding the Fourth Proportional to 110,400.19, 152,372.14 and 65,075.49

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Solution

The fourth proportional to 110,400.19, 152,372.14 and 65,075.49 is: 89,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,400.19 : 152,372.14 = 65,075.49 : x
  2. Step 2: Convert to fraction form
    110,400.19/152,372.14 = 65,075.49/x
  3. Step 3: Cross multiply
    110,400.19x = 152,372.14 × 65,075.49
  4. Step 4: Simplify right side
    110,400.19x = 9,915,691,510.16
  5. Step 5: Solve for x
    x = 9,915,691,510.16/110,400.19
  6. Step 6: Final answer
    x = 89,815.89

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1.5x scale

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.