Home / 103,552.35-142,729.99-73,298.85

Finding the Fourth Proportional to 103,552.35, 142,729.99 and 73,298.85

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Solution

The fourth proportional to 103,552.35, 142,729.99 and 73,298.85 is: 101,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,552.35 : 142,729.99 = 73,298.85 : x
  2. Step 2: Convert to fraction form
    103,552.35/142,729.99 = 73,298.85/x
  3. Step 3: Cross multiply
    103,552.35x = 142,729.99 × 73,298.85
  4. Step 4: Simplify right side
    103,552.35x = 10,461,944,127.51
  5. Step 5: Solve for x
    x = 10,461,944,127.51/103,552.35
  6. Step 6: Final answer
    x = 101,030.48

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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.