Home / 140,525.45-193,988.45-89,606.63

Finding the Fourth Proportional to 140,525.45, 193,988.45 and 89,606.63

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Solution

The fourth proportional to 140,525.45, 193,988.45 and 89,606.63 is: 123,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,525.45 : 193,988.45 = 89,606.63 : x
  2. Step 2: Convert to fraction form
    140,525.45/193,988.45 = 89,606.63/x
  3. Step 3: Cross multiply
    140,525.45x = 193,988.45 × 89,606.63
  4. Step 4: Simplify right side
    140,525.45x = 17,382,650,881.23
  5. Step 5: Solve for x
    x = 17,382,650,881.23/140,525.45
  6. Step 6: Final answer
    x = 123,697.52

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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.