Home / 228,147.04-314,837.16-126,169.80

Finding the Fourth Proportional to 228,147.04, 314,837.16 and 126,169.80

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Solution

The fourth proportional to 228,147.04, 314,837.16 and 126,169.80 is: 174,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,147.04 : 314,837.16 = 126,169.80 : x
  2. Step 2: Convert to fraction form
    228,147.04/314,837.16 = 126,169.80/x
  3. Step 3: Cross multiply
    228,147.04x = 314,837.16 × 126,169.80
  4. Step 4: Simplify right side
    228,147.04x = 39,722,941,509.77
  5. Step 5: Solve for x
    x = 39,722,941,509.77/228,147.04
  6. Step 6: Final answer
    x = 174,111.14

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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.