Home / 199,937.04-275,803.92-128,237.28

Finding the Fourth Proportional to 199,937.04, 275,803.92 and 128,237.28

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Solution

The fourth proportional to 199,937.04, 275,803.92 and 128,237.28 is: 176,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,937.04 : 275,803.92 = 128,237.28 : x
  2. Step 2: Convert to fraction form
    199,937.04/275,803.92 = 128,237.28/x
  3. Step 3: Cross multiply
    199,937.04x = 275,803.92 × 128,237.28
  4. Step 4: Simplify right side
    199,937.04x = 35,368,344,514.14
  5. Step 5: Solve for x
    x = 35,368,344,514.14/199,937.04
  6. Step 6: Final answer
    x = 176,897.41

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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.