Home / 101,558.12-140,148.49-56,235.12

Finding the Fourth Proportional to 101,558.12, 140,148.49 and 56,235.12

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Solution

The fourth proportional to 101,558.12, 140,148.49 and 56,235.12 is: 77,603.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,558.12 : 140,148.49 = 56,235.12 : x
  2. Step 2: Convert to fraction form
    101,558.12/140,148.49 = 56,235.12/x
  3. Step 3: Cross multiply
    101,558.12x = 140,148.49 × 56,235.12
  4. Step 4: Simplify right side
    101,558.12x = 7,881,267,152.97
  5. Step 5: Solve for x
    x = 7,881,267,152.97/101,558.12
  6. Step 6: Final answer
    x = 77,603.52

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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.