Home / 111,448.17-153,809.28-63,692.39

Finding the Fourth Proportional to 111,448.17, 153,809.28 and 63,692.39

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Solution

The fourth proportional to 111,448.17, 153,809.28 and 63,692.39 is: 87,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,448.17 : 153,809.28 = 63,692.39 : x
  2. Step 2: Convert to fraction form
    111,448.17/153,809.28 = 63,692.39/x
  3. Step 3: Cross multiply
    111,448.17x = 153,809.28 × 63,692.39
  4. Step 4: Simplify right side
    111,448.17x = 9,796,481,031.90
  5. Step 5: Solve for x
    x = 9,796,481,031.90/111,448.17
  6. Step 6: Final answer
    x = 87,901.68

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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.