Home / 127,342.08-190,855.98-52,415.46

Finding the Fourth Proportional to 127,342.08, 190,855.98 and 52,415.46

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Solution

The fourth proportional to 127,342.08, 190,855.98 and 52,415.46 is: 78,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,342.08 : 190,855.98 = 52,415.46 : x
  2. Step 2: Convert to fraction form
    127,342.08/190,855.98 = 52,415.46/x
  3. Step 3: Cross multiply
    127,342.08x = 190,855.98 × 52,415.46
  4. Step 4: Simplify right side
    127,342.08x = 10,003,803,985.45
  5. Step 5: Solve for x
    x = 10,003,803,985.45/127,342.08
  6. Step 6: Final answer
    x = 78,558.51

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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.