Home / 250,127.74-345,210.69-153,389.44

Finding the Fourth Proportional to 250,127.74, 345,210.69 and 153,389.44

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Solution

The fourth proportional to 250,127.74, 345,210.69 and 153,389.44 is: 211,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,127.74 : 345,210.69 = 153,389.44 : x
  2. Step 2: Convert to fraction form
    250,127.74/345,210.69 = 153,389.44/x
  3. Step 3: Cross multiply
    250,127.74x = 345,210.69 × 153,389.44
  4. Step 4: Simplify right side
    250,127.74x = 52,951,674,421.11
  5. Step 5: Solve for x
    x = 52,951,674,421.11/250,127.74
  6. Step 6: Final answer
    x = 211,698.53

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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.