Home / 251,758.80-347,398.64-148,386.24

Finding the Fourth Proportional to 251,758.80, 347,398.64 and 148,386.24

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Solution

The fourth proportional to 251,758.80, 347,398.64 and 148,386.24 is: 204,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,758.80 : 347,398.64 = 148,386.24 : x
  2. Step 2: Convert to fraction form
    251,758.80/347,398.64 = 148,386.24/x
  3. Step 3: Cross multiply
    251,758.80x = 347,398.64 × 148,386.24
  4. Step 4: Simplify right side
    251,758.80x = 51,549,177,970.71
  5. Step 5: Solve for x
    x = 51,549,177,970.71/251,758.80
  6. Step 6: Final answer
    x = 204,756.21

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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.